Orion II Oil Filter Thread Adapter 1/2"
PRODUCT DESIGNED TO AID IN CLEANING Orion Tactical Orion II Oil Filter Adapter System 1/2" X 28 ID (barrel) X 3/4"-16 OD (filter) (1) thread protector sleeve suggested filters: Fram PH3600 or equivalent (NOT INCLUDED) can also be used with a 2 1/2 OD X 5/8" ID flat washer between the adapter and filter (not included)