Morrison - 4 Inch CARB EVR Approved Aluminum Tank Monitor Cap And Brass Adapter Combination Kit With 1/2 Inch Threaded Port HoleItem No. 305XPA-1100AKEVR

Tank monitor caps and adaptors are installed on tank monitor riser pipes to keep water and debris out while providing a liquid tight opening for the probe wire to pass through.

 Features:

• Helps to keep water, dirt, and debris from entering the tank
• Prevents vapors from escaping
• Lockable with a padlock
• Easy to engage push-on
• Large easy-to-grip pull ring makes it fast and easy to remove