Saves time and eliminates mouth pipetting Tapered silicone seal provides airtight fit in all pipet sizes Excellent aspirator for use with Westergren or Wintrobe sedimentation tubes. Comes complete with an elastic cord for dedicating pipettor to a specific reagent bottle.

Style E: Natural Rubber - 1951B31, B33, B41 Style F: Natural Rubber - 1951B37 Style G: Natural Rubber - 1951B43

Dimensions 4 3/8” x 2 1/8” diameter; reservoir, when inflated, is approximately 5 1/2” diameter Connecting tube is 20” long x 5.5 mm bore

For dropping pipets, medicine droppers, etc. Neck grooved to take flat flange of dropping pipets Bulbs have a 2 mL capacity and fit 7-9 mm o.d. pipets.

Black rubber with two plastic valves Useful for taking gas samples, circulating gases or liquids, etc. Bulb length 4-1/8”; diameter 3-1/4”; overall length 5-1/4”

Natural rubber bulbs with 4" tubing on one end.

For dropping pipets, medicine droppers, etc. Fit pipets with 6-8 mm OD, 1/4” Beige color 1 mL bulb is 9/16” diameter x 1 1/2” long (14 x 37 mm); 2 mL bulb is 5/8” diameter x 1 3/4” long (18 x 45 mm)

Bulb capacity 85mL. Black natural rubber. For gas sampling or for pumping gas through apparatus. Two rubber valves.