Trimline 58784 Ridge Vent, Black, 11-1/4" x 20' Stainless Steel Screws All cast Iron

All cast Iron

Mounting bracket and strap are included

Copper conductors

Use for underground sprinkler system

12 Gauge-500' Spool

Trimline 58784 Ridge Vent, Black, 11-1/4" x 20' Stainless Steel Screws All cast IronHighlights: Made of corrosion free, laminated high density polyethylene corrugated plastic with a thin spun bound non absorbent polypropylene membrane bonded to it which does not allow direct water or weather entry "One Pass" nail attachment allows for quick installment (nails included in specified items only) Draws fresh air from soffit vents and continually releases hot, moist air through the ridge line Low profile design enables the ridge vent to