These deck fills eliminate the need for deck keys. Just push down on the center of the cap and the spring-loaded grip piece comes up. Turn the cap and the deck fill is opened.
Made of 316 stainless steel
Type of liquid is embossed in color on the flange
For 1-1/2" hose
Cap has a chain attachment, except for the waste unit
Replacement cap #6961C fits all deck fills listed, as well as standard 1-1/2" SS deck fills from other manufacturers for easy conversion to keyless