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Marathn Ex-Flow Vent HDPE

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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Specifications

Item #:

157020

Item Desc:

Marathn Ex-Flow Vent HDPE

Weight:

0.800

Price Um:

EA

Units/Pk:

25