from Gilson Inc for TIP EJECTOR, P20 & F2-F20, 25 UNITS
O-RING,FOR P1000, F250-F1000,100 U from Gilson Inc
PIPETMAN Service Kits from Gilson Inc
Seal Guide and O-Ring, P10mL autoclavable (pack of 5 units each) from Gilson Inc
Tubing Peek 1/32 x 0.010' (25 µm) Blue 5 ft. from Gilson Inc