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Valid May 1–31, 2026, until 11:59 PM ET. Limited quantities while supplies last. Cannot be combined with any other coupon, discount, promotion, clearance item, or volume discount. Subject to change at any time.
Valid June 1 - 30th, 2026, until 11:59 PM ET. Limited quantities while supplies last. Cannot be combined with any other coupon, discount, promotion, clearance item, or volume discount. Subject to change at any time.
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Ortech ADA-4-to-6 Universal series adapter from 4" duct to 6" that fits all around duct designs

Ortech

SKU ADA-4-to-6

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Universal series adapter from the 4inch duct to 6inch. Fits all round duct designs
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