{"product_id":"cultiwool-4-x-4-x-2-5-block-216-blocks-case","title":"Cultiwool 4\" x 4\" x 2.5\" Block (216 Blocks\/Case)","description":"\u003cp\u003eCultiwool 4\" x 4\" x 2.5\" stone wool blocks take water up quickly and spread it evenly through the block, sold 216 per case. Each has one 38\/40mm plug hole.\u003c\/p\u003e\n\u003cp\u003eCultiwool added a \"donut ring\", a water chamber around the plug hole for your dripper, for even more even distribution and no guesswork placing drippers. Drain grooves underneath improve flow and limit contact with the floor, and black\/white foil helps prevent algae.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDonut ring\u003c\/strong\u003e – water chamber for drippers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain grooves\u003c\/strong\u003e – better flow, less floor contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack\/white foil\u003c\/strong\u003e – prevents algae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 plug hole\u003c\/strong\u003e – 38\/40mm.\u003c\/li\u003e\n\u003cli\u003e216 per case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCultiwool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\" x 4\" x 2.5\" (100 x 100 x 65 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug hole\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1, 38\/40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e216 per case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the donut ring?\u003c\/strong\u003e\u003cbr\u003eA water chamber around the plug hole that holds the dripper and spreads water evenly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many blocks per case?\u003c\/strong\u003e\u003cbr\u003e216.\u003c\/p\u003e","brand":"Cultiwool","offers":[{"title":"Default Title","offer_id":46403745480938,"sku":"CUL442","price":143.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2561\/3802\/files\/image_1920_1819d84d-0d3d-4d0c-9131-bb53b0df5140.jpg?v=1792766788","url":"https:\/\/groindoor.com\/products\/cultiwool-4-x-4-x-2-5-block-216-blocks-case","provider":"Gro Indoor","version":"1.0","type":"link"}