This is a gray Umbrella Hole Cap with Gasket Seal, 1-1/2 Inch MPT, by AquaStar. It is specifically designed for their umbrella anchors but it will install into any 1-1/2 inch FPT pipe or anchor. It is used to seal off umbrella holes. It can also be used to seal off pipes during pool finish to allow for clean threads. Or it can be a decorative option for winterizing pipes.
This umbrella cap is manufactured from engineered polymer UV-resistant ABS material. It includes a silicone o-ring for an extra-tight seal. Use with #US101 or #SMUS101.
It is not recommended for stand-alone umbrella stands.
