3 N/CAULK FLASHING ROOF FLASHING - NO CAULK 11"X14-1/2" 24GAUGE GALV STEEL PLATE W/NEOPRENE COLLAR FOR DIMENSION BASE = 11X14 1/2, PIPE SIZE = 3" - ONE-PIECE CONSTRUCTION OF BASE AND COLLAR BASE IS MADE OF AN ELASTOMETRIC COMPOUND FLASHING FITS UP TO 45 DEGREES FOR PLASTIC, CAST IRON, OR GALVANIZED PIPE