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4" Square Conduit Boxes 4-11/16" Conduit Boxes Conduit Body Electrical Boxes & Covers Handy Boxes Electrical Boxes & Covers Masonry Electrical Boxes & Covers Multi-Gang Electrical Boxes & Covers Octagon & Round Electrical Boxes & Covers Stainless Steel Electrical Boxes & Covers Switch Boxes Electrical Boxes Plastic Fasteners, Hangers & Clamps Fire Alarm / Emergency Boxes & Covers Fittings, Hubs & Bushings Fixture Whips & Grips GFCI--Ground Fault Circuit Interrupters Grounding Products Lighting & Lamps & CFL Bulbs Service Entrance Products Switches, Devices & Receptacles Tools & Install Accessories   Cleanup   Conduit Benders Duct Seal   Electrical Tape   Fish Tape   Pull Line   Steel Wheels   Tools   Wire Pulling Accessories Wall Plates Weatherproof Boxes & Covers Aerial Drop Wire Hardware Beam Clamps Bridle Rings Bulk Wire & Cable Cable Management Distribution Rings Fire Prevention Products J-Hooks Jacks, Face Plates & Bezels Patch Cables Rope, Twine & Pulling Tape   Tools & Install Accessories: Duct Seal Duct Seal: 5 lbs. 5 lb. Duct putty is used in low and high velocity ducts fabrication / assembly on the Seam Joints, where a soft elastic seal is required allowing maintenance staff to open the ducts easily whenever necessary. The advantage is that the same sealant can be reused if removed carefully. DS5 Call 847-455-0188 for details on volume discounts.