The PROSPEED Billet Water Tank Lid kit has been machined to provide a durable and easy to use solution for most standard, and custom air to water tanks! It is a direct replacement for the common West Marine plastic lid kit.
Features:
- - 6.00" Opening
 - - O-ring seal on cap and flange
 - - Includes mounting hardware
 - - Direct replacement for common 6" plastic lid (West Marine)
 - - Flush Mount
 - - Will not flex or seize like plastic lids