Sea-Dogs® fiberglass filled injection molded nylon deck fills contain no metal and do not require grounding to the boats electrical system. Caps are color-coded for easy deck fill identification eliminating dangerous and potentially costly problems caused by miss-identification. 1-1/4" - 11-1/2 NPSM straight cap threads. Gas, diesel and water caps include attachment chains. Installs with three #10 FH fasteners (not included).
| Brand | Sea-Dog Line |
| Type | Water |
| A | 1-1/2" |
| B | 2-1/2" |
| C | 3-3/8" |
| Cap Color | Blue |