End Cap for 4" Stainless Steel Housing 3/4" Feed & 1/2" Permeate Choose::No O-Rings The HM-500 is very accurate

The HM-500 is very accurate and can be calibrated with various buffer solutions

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The 905 Series Air Gap Faucets assure regulatory compliance to California Prop 65 and AB1953

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End Cap for 4" Stainless Steel Housing 3/4" Feed & 1/2" Permeate Choose::No O-Rings The HM-500 is very accurateThe 4" Nylon End Cap for Stainless Steel Pressure Vessel uses two sets of double O Rings which allow the housing to withstand pressures up to 250 PSI. An outer set of 4" double O rings seal the end cap to the pressure vessel, while a second inner set of double O rings seal the membrane to the end cap. Features: 3 4" Feed Port 1 2" Permeate Port Made of durable Nylon material Secured by "U type" clamp closures (not included) Note: This cap does not