7617-21 34/45 Viton Rodaviss O-Ring by Ace Glass

8042-135 35/25 Trubore Complete Bearing Assembly by Ace Glass

7506-12 36 mm Ace-Thred Nylon Front Seal Bushing with -217 FETFE O-Ring by Ace Glass

7506-33 36 mm Ace-Thred PTFE Front Seal Bushing with -217 FETFE O-Ring by Ace Glass

TMXMPB 384-Microplate Block by Four E's Scientific

AI1107 3M KCl Soaking Solution 4 oz. by Apera Instruments

AI1106 3M KCl Soaking Solution 8 oz. by Apera Instruments

318231 3ml Pasteur Pipette Dispenser Style Bulk Non-Sterile by NEST Scientific

318314 3ml Pasteur Pipette Extra-Long Individually Wrapped Sterile by NEST Scientific

318212 3ml Pasteur Pipette Individually Wrapped Sterile by NEST Scientific

7663-01 4 mm Tube I. D. Rubber Septum Socket by Ace Glass

8847-08 4" End Plug by Ace Glass

8845-17 4" Extended End Cap by Ace Glass

8863-14 4" Padded Pipe Hanger without Mounting Foot by Ace Glass

OHS-20D-0105 4-Bladed Propeller Stirrer, PTFE Coated, 6 cm Stirrer Diameter by Four E's Scientific

OHS-20D-02-008 4-Bladed Straight Stirrer, Stainless Steel, 5 cm Stirrer Diameter by Four E's Scientific

OHS-20D-0103 4-Bladed Straight-2 Stirrer, PTFE Coated, 6.4 cm Stirrer Diameter by Four E's Scientific

120557 4-Place Cardboard Slide Holders, White by Heathrow Scientific

7631-01 4-Port (GL18) Polypropylene Cap by Ace Glass

0020027440 4-sided Stainless Steel Distributor Tube for Improved Flow in Large Tanks by IKA

6813-08 40 mL, 10-20 micron Glass Extraction Thimble by Ace Glass

6813-02 40 mL, 145-174 micron Glass Extraction Thimble by Ace Glass

6813-06 40 mL, 25-50 micron Glass Extraction Thimble by Ace Glass

6813-10 40 mL, 4-8 micron Glass Extraction Thimble by Ace Glass

6813-04 40 mL, 70-100 micron Glass Extraction Thimble by Ace Glass