{"product_id":"opposed-blade-volume-damper-3000-0bd-42x24","title":"Opposed Blade Volume Damper 3000-0BD-42X24","description":"h3.Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non-metallic celcon bushings * 1\/2\" square zinc plated steel pivot pins * 1\/2\" square zinc plated steel adjustable operating shaft extending up to 4\" beyond the air control frame * Single blades on dampers with a height of 12\" or less * Mill finish h3.Options * 3000 OBDLL - Low Leak Air Control Damper. Jamb seals (stainless steel), blade to blade neoprene seals, 3% maximum leakage with a pressure differential 3\" W.C. * 3100 Series - Face and By-Pass dampers * Sleeve variations * 12 gauge galvaneal construction * Flat head and sill frame construction * Extended square operating shaft (extending 7-1\/2\" beyond the air control frame) * Round operating shaft (1\/2\" diameter) * Oil impregnated bronze bushings * Spring closed or spring open dampers * Outside mounting flange * Direct mount damper motors * Fractional and odd sizes available","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":14435385212997,"sku":"209483","price":1548.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0028\/7509\/7157\/products\/e92f16310c51be60f424916e0de3ca7a_21b8f5da-4827-41e1-969c-7a8204d6e993.jpg?v=1537526292","url":"https:\/\/www.registers-direct.com\/products\/opposed-blade-volume-damper-3000-0bd-42x24","provider":"Registers-Direct","version":"1.0","type":"link"}