General Lab Products & Reviews

Brand: PYREX®

These Corning® natural polypropylene closures are designed for culture tubes and flasks with long rimless 25mm O.D. necks. Closure offers two positions: open for gas exchange or closed for humidified environment. Internal drip ring minimizes contamination. Closures are autoclavable at 121°C.

These Corning® orange polypropylene closures are designed for culture tubes and flasks with long rimless 38mm O.D. necks. Closure offers two positions: open for gas exchange or closed for humidified environment. Internal drip ring minimizes contamination. Closures are autoclavable at 121°C.

These Corning® natural polypropylene closures are designed for culture tubes and flasks with long rimless 38mm O.D. necks. Closure offers two positions: open for gas exchange or closed for humidified environment. Internal drip ring minimizes contamination. Closures are autoclavable at 121°C.

Brand: PYREX®

These PYREX West condensers are designed with a 190 mm long jacket that has a Standard Taper top joint. The bottom has Standard Taper inner joint with a drip tip. The tubulations are on the same side to reduce breakage. The tabulation O.D. is approximately 10mm.Cat No. 2705-19 is a replacement part for organic chemistry kits (Cat. Nos. 6949 through 6949K).

These PYREX® West condensers are designed with a 190mm long jacket that has a 19/22 Standard Taper top joint. The bottom has 19/22 Standard Taper inner joint with a drip tip. The tubulations are on the same side to reduce breakage. The tubulation O.D. is approximately 10mm. This condenser is a replacement part for organic chemistry kit No. 6949E.

These PYREX West condensers are designed with a 190 mm long jacket that has a Standard Taper top joint. The bottom has Standard Taper inner joint with a drip tip. The tubulations are on the same side to reduce breakage. The tabulation O.D. is approximately 10mm.Cat No. 2705-19 is a replacement part for organic chemistry kits (Cat. Nos. 6949 through 6949K).

Brand: PYREX®

Brand: PYREX®

Brand: PYREX®

These 100 mL PYREX® hydrometer cylinders have a large hexagonal base sealed to the cylinder body to increase stability. Breakage is minimized by the heavy wall construction. Meets ASTM specifications D-287 and E-100.

These 1L PYREX® hydrometer cylinders have a large hexagonal base sealed to the cylinder body to increase stability. Breakage is minimized by the heavy wall construction. Meets ASTM specifications D-287 and E-100.

These 250 mL PYREX® hydrometer cylinders have a large hexagonal base sealed to the cylinder body to increase stability. Breakage is minimized by the heavy wall construction. Meets ASTM specifications D-287 and E-100.

These 300 mL PYREX® hydrometer cylinders have a large hexagonal base sealed to the cylinder body to increase stability. Breakage is minimized by the heavy wall construction. Meets ASTM specifications D-287 and E-100.

These 500 mL PYREX® hydrometer cylinders have a large hexagonal base sealed to the cylinder body to increase stability. Breakage is minimized by the heavy wall construction. Meets ASTM specifications D-287 and E-100.

(This is the suggested replacement for 2984-10)These 10 mL PYREX® graduated cylinders are calibrated “to contain” (TC) and are useful as a mixing cylinder. Graduations are in durable white enamel. Each features a PYREX® No. 9 Standard Taper stopper. Approximate height does not include stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-9."

(This is the suggested replacement for 2983-100, 2984-100)These 100 mL PYREX® graduated cylinders are calibrated “to contain” (TC) and are useful as a mixing cylinder. Graduations are in durable white enamel. Each features a PYREX® No. 16 Standard Taper stopper. Approximate height does not include stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-16."

Calibrated “to contain” in accordance with ASTM E-1272 and ASTM E-542. Useful as a mixing cylinder. Each features the PYREX stopper. Graduations are in durable white enamel. See Cat. No. 3002 for the equivalent cylinder supplied with a Corning test certificate.For stopper only, see 7650.

(This is the suggested replacement for 2984-25)These 25 mL PYREX® graduated cylinders are calibrated “to contain” (TC) and are useful as a mixing cylinder. Graduations are in durable white enamel. Each features a PYREX® No. 13 Standard Taper stopper. Approximate height does not include stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-13."

(This is the suggested replacement for 2983-250, 2984-250)These 250 mL PYREX® graduated cylinders are calibrated “to contain” (TC) and are useful as a mixing cylinder. Graduations are in durable white enamel. Each features a PYREX® No. 22 Standard Taper stopper. Approximate height does not include stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-22."

Calibrated “to contain” in accordance with ASTM E-1272 and ASTM E-542. Useful as a mixing cylinder. Each features the PYREX stopper. Graduations are in durable white enamel. See Cat. No. 3002 for the equivalent cylinder supplied with a Corning test certificate.For stopper only, see 7650.

(This is the suggested replacement for 2983-50, 2984-50)These 50 mL PYREX® graduated cylinders are calibrated “to contain” (TC) and are useful as a mixing cylinder. Graduations are in durable white enamel. Each features a PYREX® No. 16 Standard Taper stopper. Approximate height does not include stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-16."

(This is the suggested replacement for 2983-500, 2984-500)These 500 mL PYREX® graduated cylinders are calibrated “to contain” (TC) and are useful as a mixing cylinder. Graduations are in durable white enamel. Each features a PYREX® No. 27 Standard Taper stopper. Approximate height does not include stopper. For replacement PYREX® Standard Taper stoppers, see No. 7650-27."

These 10mL PYREX® Class A graduated cylinders are calibrated "to contain" (TC) in accordance with ASTM E-1272 and ASTM E-542. Each cylinder is individually serialized and supplied with a Corning Certificate of Identification and Capacity, traceable to NIST standards. Useful as a mixing cylinder. Graduation markings are in durable white enamel. Each features a PYREX® No. 9 Standard Taper stopper. For replacement PYREX® Standard…