Our Products

Our Complete range of products are Round Duct Caps, Rectangular Duct Caps, S Cleats, Bathroom Fan Eave Vent and Drive Cleats.

Woven Vinyl Hanger Straps

Woven Vinyl Hanger Strap Woven Vinyl Hanger Straps are used to hang insulated flexible duct, round pipe or rectangular duct. This helps prevent the duct system from sagging over long runs. Can be installed using nails or screwsMeets all codes for 1 34in. straps neededCan be cut with knife or scissorsCan be used for multiple HVAC projectsProduct may be gray or black in color

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Round Duct Caps

Round Duct Caps are designed to terminate a round pipe run in a HVAC system. This cap is made with sturdy galvanized steel and is designed to install easily with sheet metal screws. Sturdy galvanized-steel constructionTerminates a round duct run in an HVAC systemInstall with sheet metal screws - Seal seams with code-approved mastic, sealant or duct tape

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Rectangular Duct Caps

Rectangular Duct Caps are used to terminate a rectangular duct run in an HVAC application. This rectangular duct cap is made of 30-gauge, galvanized steel for strength and durability. It can be installed using appropriate sheet metal screws. Made of 30-gauge, galvanized steel for strength and durabilityTerminates a rectangular duct run in an HVAC systemUse sheet-metal screws for an easy installation - Always seal seams with code-approved mastic, sealant or duct tape

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S Cleats

Master Flow Drive Cleats and "S" Cleats, are used to join sections of rectangular duct in HVAC systems. These cleats are sleeves of galvanized steel that help to securely assemble the top and bottom ("S") and left and right sides (Drive) of rectangular duct runs. Galvanized steel constructionAlways seal seams with code approved mastic or sealant (or duct tape)

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Bathroom Fan Eave Vent

The Bathroom Fan Eave Vent is used to vent bathroom exhaust outside through the undereaves. Features include easy installation and a white louver to match most undereaves. Easy installation with a router sawWhite plastic louver to blend in with the eavesWedged sides of a louver makes installation easy

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Perforated Hanger Strap

Perforated Hanger Strap - Hang round pipe, rectangular duct or other plumbing pipes with the Master Flow Perforated Metal Hanger Straps and prevent the system from sagging over long runs. These durable galvanized-steel straps are easy to install with nails or screws. Galvanized steel constructionFor hanging round pipe or rectangular ductSuitable for a variety of plumbing and HVAC applicationEasy to install with nails or screws

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Flexible Duct Connectors

Flexible Duct Connectors serve as a coupling between two sections of insulated flexible duct. Both ends of the connector have a bead to provide adequate holding power. Each end is also crimped to ensure an easy fit every time. Two stop beads provide adequate holding power for two separate tie strapsCrimped on both sides for an easy fitAlways seal seams with code approved mastic or sealant or duct tapeInstall with sheet metal screws

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Ceiling Collars

The Ceiling Collar has a slightly oversized opening to accommodate pipe. This collar is designed for use as a finishing piece to help hide surface imperfections where pipe passes through a ceiling, wall or floor. It is made of 30-gauge, galvanized steel to provide strength and durability. Made of 30-gauge, galvanized steel for strength and durabilityDesigned for use as a finishing piece to cover imperfections where pipe passes through a ceiling, wall or floorA slightly oversized opening to accommodate 4 in. pipe

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Industrial Dampers

Dampers balance and adjust the air flow in individual runs of round pipe in HVAC systems. Our dampers include hardware that make it easy to install into existing round pipe as well as new. Spring-loaded hardware for easy mounting into existing round pipeGalvanized steel constructionHelps to control airflow in a run of pipe

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Duct Mastic

Master Flows Duct Mastic is a water-based adhesive that creates an air-tight seal on duct seams and joints by eliminating air leakage. Sealant increases the overall efficiency of the duct system, which can cut energy costs. Available in tubes or tubs. Meets or exceeds most energy codesSeals ducts systems to eliminate air leakage and conserve energyUse at any duct connection

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