18'' Quiet Spiral Duct Hanger-Round Ducting Noise Cancelling Bracket HVAC by PT at N Online Agency. MPN: 2540164. Hurry! Limited time offer. Offer valid only while supplies last. Rubber lined spiral ductwork hanger. Reduce ducting noise above acoustical ceiling tiles. Can also be used for expansion tanks. Save up to 50% with bulk discounts! Mix and match sizes. 5 pcs = 5% off 10 pcs = 10% off 20 pcs = 30% off 30 pcs = 40% off 40 pcs = 50% off.Secure spiral duct work up to 24'' with 3/8'' threaded rod. Two piece design with 2 lock bolts that allow adjustment for varying ducting sizes. The special design of the rubber lining and clamp effectively prevents the lining from
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sku: 4354, mpn: LD 10, ean: 0650737791001,