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When is the ideal time to use the 4n1 81721 Rain Collar for repair?

HVAC
Ventilation and Exhaust
Roof Flashing
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DK Hardware 2026-09-29 - 21:25:21
Technical Team

The 4n1 81721 Rain Collar is ideal for immediate leak repair during wet conditions, allowing for maintenance and a temporary seal even when it's raining.

Product Details

Rain Collar, Fits 1-1/4" To 4" Pipe, Roof Flashing Accessory, 3" Height, 4.5" Length, 4.5" Width, Residential Roof Vent Repair
817214n1 81721 Rain Collar, Fits 1-1/4" To 4" Pipe, Roof Flashing Accessory, 3" Height, 4.5" Length, 4.5" Width, Residential Roof Vent Repair
$4.32/Each

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