Kit includes: 1-1/2" Union Adapter, O-Ring and Union Nut Compatible with Everbilt: PCP1002, SPP15002, SPP10002-2SP, SPP15002-2SP, PCP10001-VSP, PCP15001-VSP Compatible with K2 Pumps: PPV10001SPK, PPV15001SPK, PPI10001SPK, PPI15001SPK Union adapter and nut are made of rigid PVC The GP Enterprises RP00K0022 1-1/2" Union Replacement Kit for Pool Pumps includes a Union Adapter, O-Ring and Union Nut. The adapter and Nut are made of rigid PVC. The kit is compatible with Everbilt: PCP1002, SPP15002, SPP10002-2SP, SPP15002-2SP, PCP10001-VSP, PCP15001-VSP; and K2 Pumps PPV10001SPK, PPV15001SPK, PPI10001SPK, PPI15001SPK.