which is compatible with most filter standpipe in white, and meet your daily replacement needs Spa Accessories: the filter replacement cap can be commonly applied on the white standpipe, to fix the spa filter in a vertical position, that is important part of the spa filtration system Easy to Install: these replacement standpipe caps are designed for easy installation by screwing the standpipe into the filter wall fitting at the bottom of the filter compartment; Allowing you to quickly and easily replace old or breaking caps without the need for professional assistance Reliable and Long Lasting: our replacement filter standpipe caps are made of quality plastic, providing lasting performance and reliability, ensuring a long term good experience for your spa Effective Protection: fastening this standpipe cap over the filter can effectively prevent debris, dirt and more from floating into the pipes and breaking the pump and inner workings of your , keep your in good condition Colour:White & Gray Material:plastic Package Contents: 6 * Filter Standpipe Caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.