Molded from high density polyethylene resins, these PUMP FITTINGS are non-corrosive and will withstand pressures up to 200 PSI. To assemble, simply push tubing over serrated end of fitting and attach clamp if necessary. 3/8" fittings are offered for CON-TROL-CURE® Transfer Pumps 1/2" fittings are intended for the CON-TROL-CURE® All FLow Pump and Peristaltic Pumps.