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The open top silt bag hangs below the grate in order to filter the sediment laden stormwater
Its epoxy-coated cast iron body offers long-term corrosion resistance
Need to seal off a channel drain end or add an outlet
Channel 1 is a sloped section with an invert depth from 9
• Filter: Laminated nonwoven geotextile
Watts BF-04-131-15-M2 4 - Part of the BF-04 Series Strip Drian The open top silt bagThis 4 inch wafer style butterfly valve, model BF 04 131 15 M2, is used in HVAC, irrigation, OEM, commercial, and institutional applications and wherever positive shutoff is required to control the flow of liquids, gases, and slurries. It features cast iron body construction, stainless steel disc, EPDM seat, stainless steel shaft, mounting pad for 10 position lever. Features Cast iron body 316 stainless steel disc EPDM seat Lever handle Specifications