Recommended for all plumbing vents which terminate above the roof level. Unique vandal proof design eliminates the possibility of sticks or other materials being either carelessly or maliciously placed in the vent openings, thus causing stoppage of the drainage system.
Duco Cast Iron Dome Secured with Recessed Allen Socket Set Screws.
ROOF VENT CAP
Smith No. 1748 series low type vandal proof vent cap on all pipes passing through roof.
Smith 1748 Vent Cap Spec Sheet