{"product_id":"3-inch-weep-hole-filter-with-check-valve","title":"3-Inch Weep Hole Filter with Check Valve","description":"The 3″ Weep Hole Filter with Check Valve is engineered to protect seawalls, retaining walls, and bridge abutments by relieving hydrostatic pressure while preventing back-flow. Its closed-end check valve design ensures one-way drainage, maintaining structural stability even under challenging conditions. \u003cbr\u003e\u003cbr\u003eWith a conical geometry offering over two-times the water-flow of traditional piping and a filter fabric surface area of 17.44 in², the unit promotes optimal drainage efficiency. Built from corrosion-resistant stainless steel and UV-protected thermoplastics, it is designed for long-term performance in marine and harsh environments.\u003cbr\u003e\u003cbr\u003e","brand":"Jet Filter","offers":[{"title":"Default Title","offer_id":42764009341012,"sku":"SP-J-WEEP-3C","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/8597\/6404\/files\/product-3-inch-weep-hole-filter-check-valve-1.jpg?v=1766992716","url":"https:\/\/dockbuilders.com\/products\/3-inch-weep-hole-filter-with-check-valve","provider":"Dock Builders Supply","version":"1.0","type":"link"}