Jet Caps Half Gate These are cast aluminum body

These are cast aluminum body units with blades that smoothly move in and out of the air stream to fully cut off the air or partially close off the duct so as to balance the system and direct the air

exhaust vent

pivots quickly to redirect the airstream from one branch leg to the other

However these are designed to fit ONTO the duct once a slit for the blade has been cut

The standard membrane is EDPM

Jet Caps Half Gate These are cast aluminum bodyJet Caps combine the best features of an old style rain cap and the no loss stack to offer maximum protection from water entering the stack with minimum static pressure. Available with Rolled Lip, Vanstone Lip, and Angle Ring connections