The Safetypette is uniquely designed to give superior pipetting control to either left or right handed users. The lightweight Safetypette sits comfortably in the hand enabling smooth variable speed control in both aspirating and dispensing using 1ml to 100ml pipettes. Simply squeeze the silicone bulb using the thumb lever to control both the aspirate and dispense modes and speed. Compatible with blow-out and TD pipettes. Supplied with integral 0.45µm filter and colored pipette cones for safety color coding in white, mint, mauve and pink.