Marathn Ex-Flow Vent HDPE

SKU: 157020

Price: CALL TO ORDER

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PRODUCT DESCRIPTION

Hi-density polyethylene (black) with locking vandal-proof cap prevents entry of wind blown rain or snow. Special one-way silicone rubber valve prevents moisture from re-entering the roofing system. Also available in ABS or PVC. Overall height 8", Base opening 5-1/4", Flange diameter 10-1/2". Recommended spacing: 1 per 1000 sq. ft.
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