The Lay-Z-Spa caps attach to the inlet and outlet points on the inside of your Lay-Z-Spa.Fitment:For C-oleman P6575. This design to prevent water flooding your lawn when disconnecting a filter pump. We supply quality caps that,These are alterative replacements if you have lost the black caps on the inside of your Coleman Lay-Z-Spa SaluSpa hot tub. If you need to disconnect your heater pump, or you’re packing your Lay-Z-Spa away for the season, stoppers an absolute necessity. They’re also handy to keep as Lay-Z-Spa spares. We supply quality caps that,These are alterative replacements if you have lost the black caps on the inside of your Coleman Lay-Z-Spa SaluSpa hot tub. The Lay-Z-Spa caps attach to the inlet and outlet points on the inside of your Lay-Z-Spa. This design to prevent water flooding your lawn when disconnecting a filter pump. If you need to disconnect your heater pump, or you’re packing your Lay-Z-Spa away for the season, stoppers an absolute necessity. They’re also handy to keep as Lay-Z-Spa spares.