This is a 30 x 30 inch Aegis Fiberglass Anti-Entrapment Shield with Stainless Hardware. The Aegis is the only solid fiberglass cover currently on the market. Aegis requires no grounding to the pool and is completely resistant to the elements.
The Aegis is a certified unblockable drain which is easily installed over existing main drains. ASME and VGB Compliant.