{"title":"High Tunnel Vents","description":"\u003cdiv class=\"collection-short\"\u003eThese high tunnel vent systems are roof or end wall installed systems that provides supplemental ventilation for extremely hot conditions. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely ...\u003c\/div\u003e\n\u003cdiv class=\"collection-long\"\u003eThese high tunnel vent systems are roof or end wall installed systems that provides supplemental ventilation for extremely hot conditions. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely hot and humid weather often requires additional ventilation, and the best vent position is at the roof or peak of the structure. Ken-Bar’s High Tunnel Vents provides a chimney-effect movement of hot air out of the tunnel.\n\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Zmqw3WziYvo\" height=\"240\" width=\"375\" allowfullscreen=\"\" frameborder=\"0\" title=\"How To Install High Tunnel Vents\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003ca tabindex=\"0\" role=\"button\" class=\"col_showmore\"\u003eShow More\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003ca tabindex=\"1\" role=\"button\" class=\"col_showless\"\u003eShow Less\u003c\/a\u003e\u003c\/div\u003e","products":[{"product_id":"70011-automatic-vent-opener","title":"Automatic Vent Opener","description":"Protect your greenhouse, cold frames and tunnels from overheating! This automatic vent opener is a great way to insure your plants do not over heat in you greenhouse or cold frame. Easily attaches to greenhouse vents and cold frames to automatically open when it gets to warm inside. The opener operates automatically and can be adjusted to open at temperatures between 60-77° F. No batteries or electricity needed.","brand":"Ken-Bar","offers":[{"title":"Default Title","offer_id":28922645265,"sku":"70011HRD-1EA","price":63.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1537\/5553\/files\/70011.jpg?v=1731990086"},{"product_id":"70144-high-tunnel-greenhouse-12-vent-w-auto-opener","title":"High Tunnel\/Greenhouse 12\" Vent w\/Auto Opener","description":"Protect your plants from overheating!\u003cbr\u003eThis easy to install greenhouse vent can be placed in the roof or end wall to provide supplemental ventilation for extremely hot conditions. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely hot and humid weather often requires additional ventilation, and the best vent position is at the roof or peak of the structure. \u003cbr\u003e\u003cbr\u003eThe High Tunnel Vent is constructed of a rigid aluminum frame and shutters. Each vent comes with two types of vent openers: manual and auto-temperature. The manual opener is operated with a hand pull wire, while the auto-temperature opener operates automatically and can be adjusted to open at temperatures between 60-77° F. Vent acts as a great insurance policy in case you are unable to open your main vents or other venting fails. \u003cbr\u003e\u003cbr\u003eVent opening measures 12 1\/2\" x 12 1\/2\", total vent measures 15\" x 15\" x 3\". Vent installs in minutes with wiggle wire and channel locking (both included).","brand":"Ken-Bar","offers":[{"title":"Default Title","offer_id":28922725393,"sku":"70144HRD-1EA","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1537\/5553\/files\/70144.jpg?v=1732682666"},{"product_id":"70145-high-tunnel-greenhouse-18-vent-w-auto-opener","title":"High Tunnel\/Greenhouse 18\" Vent w\/Auto Opener","description":"Protect your plants from overheating!\u003cbr\u003eThis easy to install greenhouse vent can be placed in the roof or end wall to provide supplemental ventilation for extremely hot conditions. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely hot and humid weather often requires additional ventilation, and the best vent position is at the roof or peak of the structure. \u003cbr\u003e \u003cbr\u003eThe High Tunnel Vent is constructed of a rigid aluminum frame and shutters. Each vent comes with two types of vent openers: manual and auto-temperature. The manual opener is operated with a hand pull wire, while the auto-temperature opener operates automatically and can be adjusted to open at temperatures between 60-77° F. Vent acts as a great insurance policy in case you are unable to open your main vents or other venting fails.\u003cbr\u003e\u003cbr\u003eVent opening measures 18 1\/2\" x 18 1\/2\", total vent measures 23\" x 23\" x 3\". Vent installs in minutes with wiggle wire and channel locking (both included).","brand":"Ken-Bar","offers":[{"title":"Default Title","offer_id":28922730321,"sku":"70145HRD-1EA","price":209.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1537\/5553\/files\/70145.jpg?v=1732682834"},{"product_id":"70146-high-tunnel-greenhouse-24-vent-w-auto-opener","title":"High Tunnel\/Greenhouse 24\" Vent w\/Auto Opener","description":"Protect your plants from overheating!\u003cbr\u003eThis easy to install greenhouse vent can be placed in the roof or end wall to provide supplemental ventilation for extremely hot conditions. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely hot and humid weather often requires additional ventilation, and the best vent position is at the roof or peak of the structure. \u003cbr\u003e\u003cbr\u003eThe High Tunnel Vent is constructed of a rigid aluminum frame and shutters. Each vent comes with two types of vent openers: manual and auto-temperature. The manual opener is operated with a hand pull wire, while the auto-temperature opener operates automatically and can be adjusted to open at temperatures between 60-77° F. Vent acts as a great insurance policy in case you are unable to open your main vents or other venting fails.\u003cbr\u003e\u003cbr\u003eVent opening measures 24 1\/2\" x 24 1\/2\", total vent measures 28\" x 28\" x 3\". Vent installs in minutes with wiggle wire and channel locking (both included).","brand":"Ken-Bar","offers":[{"title":"Default Title","offer_id":28922732241,"sku":"70146HRD-1EA","price":248.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1537\/5553\/files\/70146.jpg?v=1732683203"},{"product_id":"70164-high-tunnel-30-vent-with-automatic-opener","title":"High Tunnel 30\" Vent With Automatic Opener","description":"Protect your plants from overheating with greenhouse vents!\u003cbr\u003eThis easy to install greenhouse vent can be placed in the roof or end wall to provide supplemental ventilation for extremely hot conditions. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely hot and humid weather often requires additional ventilation, and the best vent position is at the roof or peak of the structure. \u003cbr\u003e \u003cbr\u003eThe High Tunnel Vent is constructed of a rigid aluminum frame and shutters. Each vent comes with two types of vent openers: manual and auto-temperature. The manual automatic vent opener is operated with a hand pull wire, while the auto-temperature opener operates automatically and can be adjusted to open at temperatures between 60-77° F. Vent acts as a great insurance policy in case you are unable to open your main vents or other venting fails.\u003cbr\u003e\u003cbr\u003eVent opening measures 30 1\/2\" x 30 1\/2\", total vent measures 33\" x 33\" x 3\". Vent installs in minutes with wiggle wire and channel locking.","brand":"Ken-Bar","offers":[{"title":"Default Title","offer_id":28922764561,"sku":"70164HRD-1EA","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1537\/5553\/files\/70164.jpg?v=1732682360"},{"product_id":"70184-automatic-vent-opener-replacement-cylinder","title":"Automatic Vent Opener Replacement Cylinder","description":"This Replacement Cylinder for item (70011-00-00) Automatic Vent Opener is made by the same manufacturer and is a quick and easy way to replace damaged and worn cylinders.","brand":"Ken-Bar","offers":[{"title":"Default Title","offer_id":28922790929,"sku":"70184HRD-1EA","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1537\/5553\/files\/70184.jpg?v=1731990516"}],"url":"https:\/\/www.harrisseeds.mom\/collections\/high-tunnel-vents.oembed","provider":"Harris Seeds","version":"1.0","type":"link"}