Skip to content

Quick Order
About Us
Holmes
Parr
Brochures
International
Help
Request a Quote

Need help?

(800) 624-8285

preiser@preiser.com

Categories

Balances/Scales/Weighing
Analytical/Micro/Semi-Micro
Precision Balances
Compact Balances
Portable Balances
Moisture Analyzers
Bench/Platform Scales
Washdown Scales
Balance Acc.
Mechanical Scales

Chemicals

Equipment
Misc. Equipment Parts

Furniture
Carts
Casework/Countertops
Chairs/Stools
Hoods
Safety Cab./Eyewashes/Showers
Tables
Wall-Mounted Racks

Glassware/Plasticware

Heating/Cooling
Heating Mantle

Instruments

Lab Supplies/Consumables

PPE/Safety/Gloves
Apparel
Eyewash/Safety Showers
Disposal/Transport
First Aid
Gloves
Goggles/Masks/Shields
Miscellaneous Safety Supplies
Respirators/Gas Detection

Acids
Acetic Acid
Amino Acid
Ascorbic Acid
Benzoic Acid
Boric Acid
Citric Acid
Glutamic Acid
Hydrochloric Acid
Hydrofluoric Acid
Maleic Acid
Miscellaneous Acids
Nitric Acid
Oxalic Acid
Perchloric Acid
Phosphoric Acid
Potassium Acid Phthalate
Rosolic Acid
Salicylic Acid
Stearic Acid
Sulfamic Acid
Sulfuric Acid

Bases
Ammonium Hydroxide
Potassium Hydroxide
Sodium Hydroxide

Buffers
Acetate Buffer
BOD Nutrient Buffer
Borate Buffer
Hardness Buffer
Miscellaneous Buffers
Phosphate Buffer
TISAB

Indicators
Azo Violet Indicator
Bio Indicator for Sterilizers
Boric Acid w/Mixed Indicators
Bromothymol Blue Indicator
Calcium Indicator
Calmagite Indicator
DPD (Chlorine) Indicator
Ferroin Indicator
Hardness Indicator
Methyl Orange Indicator
Methyl Purple Indicator
Miscellaneous Indicators
Mixed Indicators
Murexide Indicator
Phenolphthalein Indicator
Phenol Red Indicator
Starch Indicator
Universal/Wide Range

Drys/Salts
A-C Drys/Salts
D-F Drys/Salts
G-I Drys/Salts
J-L Drys/Salts
M-O Drys/Salts
P-R Drys/Salts
S-V Drys/Salts
W-Z Drys/Salts

Miscellaneous
Desiccants
Karl Fischer Reagents
Self-Contained Reagents

Reagents/Solutions
A-C Reagents/Solutions
D-F Reagents/Solutions
G-I Reagents/Solutions
J-L Reagents/Solutions
M-O Reagents/Solutions
P-R Reagents/Solutions
S-V Reagents/Solutions
W-Z Reagents/Solutions

Solvents
Alcohols
Extraction
HPLC
Hydrocarbons
Other Solvents

Standards
AA Standards
Ammonia Standards
BOD/COD Standards
Chloride Standards
Chlorine Standards
Coal Standards
Conductivity Standards
Fluoride Standards
ICP Standards
Miscellaneous Standards
Nitrate Standards
Nitrogen Standards
ORP Standards
Oxygen Standards
Turbidity Standards

Titrants
EDTA
Hardness Titrants
Karl Fischer Titrants
PAO Titrants
Silver Nitrate Titrants
Sodium Hydroxide Titrants
Sulfuric Acid Titrants

A-C Equipment
Air Dry Ovens/Parts
Automagnets
Battery Tester
Bioethanol Analyzer
Blenders/Mixers
Bottletop Dispensers
Coal Ashing Furnace
Coke Testing

D-F Equipment
Datalogger/Controllers
Davis Tube Tester
Density, Pulp
Desiccators, Stainless Steel
Dilatometers
Dishwasher/Flask/Steam
Drum Thief
Engraver
Fluid Bed Dryer
Flotation Machine
Free Swelling Index

G-I Equipment
Gas Analyzer/Chromatograph
Hardgrove Grindability
Heat Sealer
Humidity Test Cabinet
Impeller

J-L Equipment
Jack Rocks
Jar Tester
Kjeldahl Equipment

M-O Equipment
Mercury Analyzer
Microgripper
Microtox
Mills/Parts
Mixing Wheel
Oxidation Kit
Other Equipment

P-R Equipment
Pellet Press
Pressure Filter
Pump, Variable Speed
Pyrometer
Reaction Vessel
Rotary Sample Divider
Plastics Lab Equipment

S-V Equipment
Sample Cutting Stations/Acc.
Shakers/Rockers
Solids Sampling/Compaction
Switches/Relays
Ultrasonic Cleaner
Vacuum Pump
Viscometers
Volatile Matter
Volumeter

W-Z Equipment
Water Level Meters/Sensors
Water Sampler

Glassware

Plasticware
Burets, Plastic

Autoclaves/Acc.
Autoclaves
Autoclave Acc.

Furnaces
Ashing Furnace
Benchtop Box/Muffle Furnaces
Crucible Furnaces
Free Swelling Index Furnaces
Furnace Parts
Tube Furnaces
Volatile Matter Furnaces

Hot Plates/Stirrers
Hot Plates
Stirrers
Stirring Hot Plates
Hot Plate/Stirrer Acc.

Incubators/Dry Block Heaters
BOD Incubators
Coliform Incubator
General/Advanced Incubators
Incubator Acc.
Dry Bath/Block Heater
COD Reactor
Blocks for Dry Block Heaters

Ovens/Parts
Air Drying Ovens/Parts
Gravity Convection Ovens
Mechanical Convection Ovens
Moisture Determination/Coal
Vacuum Ovens
Oven Acc.

Refrigerators and Freezers
Explosion Proof Refrigerators
Flammable Material Storage
General Purpose
Refrigerated Incubators
Refrigerator/Freezer Acc.
Freezers
Refrigerators High Perform

Water Baths
Circulating/Ref. Circulating B
Coliform Baths
Concentric Ring Baths
General Purpose Water Baths
Water Bath Acc.
Shaking Water Baths
Special Purpose Baths

A-C Instruments
Barometer
Calipers/Micrometers
Colorimeters
Comparators

D-F Instruments
Environ. Monitoring Systems
Flow Meters/Probes

G-I Instruments
Hygrometer/Humidity/Dew Point

J-L Instruments
Lamps/UV Lamps

M-O Instruments
Miscellaneous Meters Acc.
ORP Meters/Accessories

P-R Instruments
Photometers
Refractometers

S-Z Instruments
Salinity Meters
Sludge Meters/Probes
Suspended/Dissolved Solids
Tachometers
Timers/Clocks/Stopwatches
Total Organic Carbon Analyzer
Turbidity Meter/Accessories
UVT/UVA Meter

A-C Supplies/Consumables
Applicators/Swabs
Aspirators/Pumps/Siphons
Bailers
Batteries
Beakers, Stainless Steel
Boiling Beads/Chips/Granules
Buckets/Pails
Caps, Metal
Check Valves
Cleaners/Detergents/Soaps
Cork Borer

D-F Supplies/Consumables
Desiccator Plates

G-I Supplies/Consumables
Imhoff Cones

J-L Supplies/Consumables
Joints
Kuderna Danish Tubes
Labels
Literature/Books/Wall Charts

M-O Supplies/Consumables
Molds
Mortar/Pestles
Miscellaneous Products

P-R Supplies/Consumables
Pumps/Siphons
Rain Gauge
Raschig Ring

S-V Supplies/Consumables
Settleometers
Sludge Judges
Storage Boxes
Snyder Columns
Tissue Grinder
Vacuum Manifold
Vacuum Trap

W-Z Supplies/Consumables
Washers, Pipet
Wipes
Xtra Fees for Web Orders

pH Buffers
Capsules/Chemvelopes
Field Pouches
Ready to Use

Ash Fusion Systems/Parts
Ash Fusion Systems
Ash Fusion Acc.
Ash Fusion System Parts

Calorimeters/Acc.
Calorimeters
Bombs/Acc.
Calorimeter Parts
Microwave Acid Digestion/Acc.
Reaction Vessel, Bench Top
Water Handling System

Centrifuges/Acc.
Centrifuges
Centrifuge Parts

Crushers
Holmes Crushers
Holmes Crusher Parts
Retsch Jaw Crushers
Other Crushers and Parts

Microscopes
Cameras/Acc.
Compound Microscopes/Parts
Eyepieces/Acc.
Hand-held Microscope/Magnifier
Micrometers/Stage/Eyepieces
Microscope Slides/Cover Slips
Objectives/Lenses/Condensers
Other Microscope Acc.
Stereomicroscopes/Lighting Sys

Pipettors/Acc.
Pipettors
Pipettor Tips

Plastometer/Acc.
Preiser Plastometer
Plastometer Parts
Other Plastometers

Pulverizers/Acc.
Pulverizers
Pulverizer Parts

Riffle/Splitter/Acc.
Riffles/Splitters
Riffle Parts

Sieves/Testing Screens
Testing Screen Systems
Screen Trays/Pans
Testing Screen Parts/Acc.
Sieve Shakers
Sieves, Tops, and Pans
Sieve Shaker Parts/Acc.

Sulfur Analyzers/Acc.
Sulfur Analyzers
Sulfur Analyzer Acc.

Thermometers/Hydrometers
ASTM Thermometers
Other Thermometers/Acc.
Oven Thermometers
Refrigerator Thermometers
Hydrometers

Water Purification Systems
Cartridges/Filters
Reverse Osmosis Systems
Stills
Storage Reservoirs
Ultra Pure Water Systems

Beakers, Glass
Berzelius (Tall Form) Beakers
Griffin (Low Form) Beakers
Specialty Beakers

Bottles, Glass
Wide Mouth Glass Bottles
Narrow Mouth Glass Bottles
Other Glass Bottles/Acc.

Burets, Glass
Automatic Burets, Glass
Class A Burets, Glass
Class B Burets, Glass
Dispensing Burets, Glass

Dishes/Crucibles
Crystallizing Dishes, GLS
Drying Dishes, Glass
Evaporating Dishes, GLS
Gooch Crucibles, Glass
Petri Dishes, Glass

Flasks, Glass
Boiling Flasks, Glass
Distilling Flasks, Glass
Erlenmeyer Flasks, GLS
Filtering Flasks, Glass
Kjeldahl Flasks, Glass
Misc. Flasks/Caps, GLS
Volumetric, Class A, Glass
Volumetric, Class B, Glass

Funnels, Glass
Fluted Funnels, Glass
Plain Funnels, Glass
Powder Funnels, Glass
Separatory Funnels, Glass
Buchner Funnels, Glass

Graduated Cylinders, Glass
Class A, TC Graduates, Glass
Class A, TD Graduates, Glass
Class A, TC Mixing Graduate, Gls
Class B, TC Graduates, Glass
Class B, TD Graduates, Glass
Class B, TC, Mixing Grad, Gls
Economy/Edu. Grd Graduate, Gls
Pharmaceutical Graduates, Gls
Student Grade/Clearance, Gls

Miscellaneous Glassware
Adapters, Glassware
Condensers, Glass
Desiccators, Glass
Extraction Glassware
Glass Tubing/Rods
Hydrometer Cylinders, Glass
Stoppers for Glassware
Watch Glasses
Other Glassware

Pipets, Glass
Droppers/Pasteur Pipets, Gls
Mohr (Measuring) Pipets, Gls
Serological Pipets, Disp., Gls
Serological Pipets, Reuse, Gls
Volumetric Pipets, Cls A, Gls
Volumetric Pipets, Cls B, Gls

Tubes/Vials/Cuvettes, Glass
Ampules, Glass
Centrifuge Tubes, Glass
Chromatography Tubes, Glass
Culture Tubes, Disposable, Gls
Culture Tubes, Reusable, Gls
Cuvettes, Glass
Test Tubes, Glass
Vials, Glass

Beakers, Plastic
Plastic Beakers with Handles
PMP Reusable Beakers
PP Disposable Beakers
PP Reusable Beakers
PS Disposable Plastic Beakers
PTFE Reusable Beakers

Bottles, Plastic
Wide Mouth Plastic Bottles
Narrow Mouth Plastic Bottles
Other Plastic Bottles/Acc.

Dishes, Plastic
PS Petri Dishes
PTFE Evaporating Dish
Weighing Dish (Boat), PS

Flasks, Plastic
Filter Flask, Plastic
Volumetric Flask, Cls A, PMP
Volumetric Flask, Cls B, Pls
Plastic Erlenmeyer Flask
Miscellaneous Plastic Flasks

Funnels, Plastic
Buchner Funnels
Fluted Plastic Funnels
Plain Plastic Funnels
Plastic Powder Funnels
Plastic Separatory Funnels

Graduated Cylinders, Plastic
Plastic Pharmaceutical Grad
PMP Graduates
PP Graduates

Miscellaneous Plasticware
Clamps, Plastic
Desiccators, Plastic
Dippers/Scoops/Ladles, Plastic
Forceps/Tweezers, Plastic
Imhoff Cones/Settleometers, Plastic
Other Misc. Plasticware

Pipets/Syringes, Plastic
Droppers, Plastic
Measuring Pipets, Plastic
Serological Pipets, Plastic
Transfer Pipets, Plastic
Pipet Tips, Plastic
Syringes, Plastic
Volumetric Pipets, Plastic

Tubes/Vials/Cuvettes, Plastic
Analyzer Cups, Plastic
Centrifuge Tubes, Plastic
Culture Tubes, Plastic
Cuvettes, Plastic
Test Tubes, Plastic
Vials, Plastic

Conductivity Meters/Acc.
Conductivity Cells
Conductivity Meters
Conductivity Solutions

Dissolved Oxygen Meters/Acc.
Dissolved Oxygen Accessories
Dissolved Oxygen Meters
DO/BOD Probes

ISE/pH Meter/Accessories
ISE Meter Accessories
ISE/pH Meters (Combo)
ISE Electrodes

Multiparameter Meters/Acc.
Multiparameter Accessories
Multiparameter Meters
Multi. Electrodes/Sensors

pH Meters/Accessories
pH Accessories
pH Meters
pH Electrodes/Sensors

Spectrophotometers/Acc.
Spectrophotometers
Spectrophotometer Accessories

Titrators/Accessories
Titrators
Titrator Accessories

Bags
Autoclavable Biohazard Bags
Drum Liner Bags
Flat Bags
Layflat Tubing Bags
Specialty Bags
Whirl-Pak Bags
Zip-Close Bags

Brushes
Anti-Static Brushes
Babcock Brushes
Beaker Brushes
BOD Bottle Brushes
Buret Brushes
Camel Brushes
Carboy Brushes
Centrifuge Tube Brushes
Counter Brushes
Cylinder Brushes
Flask Brushes
Funnel Brushes
Imhoff Cone Brushes
Miscellaneous Brushes
Pipet/Small Orifice Brushes
Riffle Brushes
Sludge Judge Brushes
Test Tube Brushes

Burners, Alcohols/Nat. Gas/LP
Alcohol Burners
Lighters
LP Gas Burners
Natural Gas Burners

Clamps
Buret Clamps
Clamp Holders
Extension Clamps
Filter Funnel Clamps
Flask Clamps
Hose/Tubing Clamps
Keck Clamps
Miscellaneous Clamps
Ring Clamps
Test Tube Clamps
Thermometer Clamps
Utility Clamps

Containers/Carboys/Tanks
Carboys/Lowboys
Cubitainers
Jerricans
Miscellaneous Containers
Storage Tanks/Reservoirs

Crucibles
Glass Gooch Crucibles
Graphite Crucibiles
Metal Crucibles, Iron/Plat.
Porcelain Crucibles/Covers
Quartz Crucibles

Dippers/Ladles/Scoops
Dippers
Ladles
Scoops

Dishes, Not Glass or Plastic
Aluminum Dishes
Porcelain Dishes
Quartz Dishes
Silica Dishes

Extraction Supplies
Extraction Speedisks
Extraction Thimbles

Filter Paper
Beer Filter Paper
Filtering Apparatus
Fluted/Pre-folded Filter Paper
Glass Fiber Filters
Membrane Filters
Phase Separator Paper
Qualitative Filter Papers
Quantitative Filter Papers
Sharkskin Filter Paper
Syringe Filters

Forceps/Tweezers/Tongs
Forceps/Tweezers, Metal
Tongs, Beaker
Tongs, Crucible
Tongs, Flask
Tongs, Nip

Funnels, Not Glass/Plastic
Porcelain Buchner Funnels
Stainless Steel Funnels

Kjeldahl Glassware
Connecting Bulbs
Delivery Tubes
Kjeldahl Flasks

Markers/Pens/Pencils
All Surface Paint Marker
Chart Recorder Pens
Felt-Tip Pens
High-Temperature Pen
Marker, Permanent Ink
Marking Ink
Wax Pencils

Matting/Wraps
Autoclave Wraps
Bubble Wraps
Foil
Matting

Microbiology Supplies
Colony Counter
Filter Funnels/Assemblies
Innoculation Loops/Spreaders
Manifolds
Media
Milk Dilution Bottles
Misc. Microbio Supplies
Parafilm
Petri Dishes/Microplates
Sampling Bags/Vials

Misc Lab Hardware/Utensils
Cork Rings
Hand Lens
Needle Holder
Policeman/Scraper
Retainer
Rulers
Scapels/Blades
Stirring Rods
Strainer
Tongue Depressor
Tubing Cutter
Wire Triangle/Gauze
Other Hardware

Miscellaneous Lab Supplies
Abrasives/Polishing
Adhesives
Anti-Sieze
Blood Card/Cell/Pouch
Compressed Air/Dust Removers
Fuses
Grease/Lubricants
Hand Creams/Lotions
O-Rings
Release Agents
Metal Specimen Boxes

Paper Goods
Chart/Printer Paper
Cups
Lab Notebooks
Mailing Supplies
Weighing Paper

Racks/Supports
Metal, Racks/Supports
Plastic, Racks/Supports
Wood, Racks/Supports

Rubber Bulbs/Pipet Aids
Pipet Aids
Rubber Bulbs

Spoons/Spatulas/Knives
Knives
Spatulas
Spoons

Stirring Bars
Stir Blades/Vanes
Stir Bars
Stir Finn/Star
Stirring Bar Retriever

Stoppers/Stopcocks
Cork Stoppers
Cork Borers
Glass Stoppers
Metal Stoppers
Plastic Stoppers
Rubber Stoppers
Stopcocks
Stopper Pullers

Test Strips
Misc. Test Strips
pH Test Strips

Trays
Fiber Glass Trays
Plastic Trays
Metal Trays
Silica Trays
Ceramic/Porcelain Trays

Tubing Plastic/Rubber/Silicone
Plastic Tubing
PVC Tubing
Rubber/Latex Tubing
Silicone Tubing
Tubing Connectors
Tygon/C-Flex Tubing
Vacuum Tubing

Utility Carriers
Acid Carriers
Bottle Carriers
General Purpose Carriers
Kjeldahl Flask Carriers

Weights
Calibration Weights
Flask Weights

Preiser Scientific

Login to my account

Enter your e-mail and password:

Please use your email and not your account number to login. If you are logging into our new website for the first time you will need to reset your password.

Email

Password

New customer? Create your account

Lost password? Recover password

Recover password

Enter your email:

Please use your email and not your account number to login. If you are logging into our new website for the first time you will need to reset your password.

Email

Remembered your password?

(800) 624-8285 preiser@preiser.com

(800) 624-8285 preiser@preiser.com

Categories
About Us
Holmes
Parr
Brochures
Help

Request a Quote

Home
Impeller

Impeller

1 product

Showing 1 - 1 of 1 product

Impeller

Showing 1 - 1 of 1 product

Display

Sort by

View

Stainless Steel Stirrer Impeller 1-7/8 x 5/16 in. MF21R

Stainless Steel Stirrer Impeller 1-7/8 x 5/16 in. MF21R Item: 22-2251-01-EA

RFQ Only

Sale price$62.92

94 OLIVER STREET, ST. ALBANS, WV, 25177 US
(800) 624-8285
preiser@preiser.com
https://preiser.com/
https://international.preiser.com/
(304) 727-2932

10200 FOREST GREEN BLVD, LOUISVILLE, KY 40223 US

Home
International Sites
Help
Holmes
My Account
Request a Quote

© 2026 Preiser Scientific. All Rights Reserved. Privacy Policy

Opens in a new window.

${{amount}}