DuraVent 58DVA-18 Pipe Length - 18" Brand_HydroSurge Add 4 tsp of Brominating

Add 4 tsp of Brominating Concentrate per 200 gallons of spa water

Listed at 1" clearance to combustibles in the USA

Most spa filters seat with a threaded fitting or simply drop into a well

This product has been recently reformulated and is now more concentrated and effective than ever

DuraVent 58DVA-18 Pipe Length - 18" Brand_HydroSurge Add 4 tsp of BrominatingDuraVent 58DVA 18 Pipe Length 18" Overview Designed for appliances tested and listed for direct vent. Features a fully unitized twist lock construction in 5" x 8" vent size. Use of sealant is optional, unless specified by the appliance manufacturer. To calculate install length, subtract 1 1 2" for each joint. No beads or hems. What's in the Box 1 x DuraVent 58DVA 18 Pipe Length 18" Specifications Material: Galvanized Steel Diameters: 5" x 8" Inner