Morrison Brothers 4" Top Seal Cap

Top seal caps are designed to mate with top seal adaptors when the adaptors are not in use.

Standard Features

Keeps water, dirt, and debris out of the tank

Lockable with a padlock

Prevents vapors from escaping 

Low profile models when space is limited

Easy to engage push-on or step-on

Large easy-to-grip pull ring makes it fast and easy to remove