Rubber Pipet Filler (No. 30221) fills pipets up to 50mL capacity. Just press valve for simple one-handed operation. Natural rubber squeeze bulb and valve. Black.
Flip™ Pipet Filler (No. 30222) is easy to operate and a removable valve at the top "squeezes out" for thorough cleaning. Natural rubber bulb. Red.
Silicone Pipet Filler offers more chemical resistance and is more resilient than PVC or natural rubber. Won't crack or become brittle so it lasts longer. Choose Red (No. 30282) or Black (No. 30283).
To fill Silicon Safety Bulb® Pipet Filler (No. 963E), just squeeze bulb, attach to the top of any size pipet and draw fluid. Silicone rubber has tapered seal for airtight fit. Autoclavable. Includes elastic band. Red.