Saddle Tap Starting Collar with Self Adhesive Air-Tite Gasket, Adjustable Damper and Scoop, which is used to help direct more air flow through the fitting.
Item Codes:
ATRPSD06 6″ ATRPSD w/Scoop & Damper
ATRPSD08 8″ ATRPSD w/Scoop & Damper
ATRPSD10 10″ ATRPSD w/Scoop & Damper
ATRPSD12 12″ ATRPSD w/Scoop & Damper
