This is a "push in" style vent breather filter.
Push in is to be pushed into a 5/16" ID hose.
5/16" diameter nipple.
Filter is 2" long x 1-1/2" diameter.
Stainless hose clamp and zip tie included.

Uni's breathers are made of washable urethane which needs no oil.
These work great for venting cylinder heads, crankcases and differentials.
UTV, ATV, Motorcycle, Street bike, Dirt bike, Hot Rod, Buggy, Air Boat, Air Craft, Tractor, Snow Mobile or what ever may need a vent filter.
These will help keep the dirt out of your engine!
Made in the USA!