Uni-Dose’s [ SP-238 ] spare part kit for UD Pumps with liquid end [ LE-238NU ] The kit includes: (5) 40 [ 48349 – O-Rings 0.42 ID, Polyprel ] – (4) 100 [ 36103 – O-Ring, 0.50 ID, Polyprel ] – (1) 140 [ 48590 – O-Ring, 0.14 ID, PTFE ] – (1) 150 [ 48347 – O-Ring, 0.17 ID, Polyprel ] – (1) 190 [ 48188 – Liquifram, SC3 Fluorofilm ] – (3) 603 [ 48543 – Cartridge Assembly, Suction ] – (1) 604 [ 48549 – Cartridge Assembly, Discharge ] – (1) 617 [ 48795 – Cartridge Assembly, Injection ]