PerkinElmer Inlet Check Valve - please see compatibility below

Product information "PerkinElmer Inlet Check Valve - please see compatibility below"
Compatibility: 200 Series, 1, 2, 3, 3B, 4, 10, 250, 400, 410, 620, Int. 4000, Series 200 Micropump
Specification: 316 SS, PTFE, Ruby, Sapphire
OEM: 2540177
Specification: 316 SS, PTFE, Ruby, Sapphire
OEM: 2540177