{"product_id":"jiffy-preforma-refill-plugs-20mm-with-4mm-hole-2140-units","title":"Jiffy Preforma Refill Plugs 20mm with 4mm Hole - 2140 units","description":"\u003cp\u003eSold as 2140 units. Buying quantity 1 = 2140 units.\u003c\/p\u003e\n\u003cp\u003eThe Jiffy Preforma Refill Plugs 20mm with 4mm Hole are premium propagation plugs designed to deliver consistent rooting performance for commercial growers. Their high air-filled porosity and stable structure create an ideal growing environment while reducing transplant shock and improving production efficiency.\u003c\/p\u003e\n\u003ch4\u003eBest for\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial plant propagation\u003c\/li\u003e\n\u003cli\u003eOrchids\u003c\/li\u003e\n\u003cli\u003eSoft fruits\u003c\/li\u003e\n\u003cli\u003ePerennials from cuttings or tissue culture (TC)\u003c\/li\u003e\n\u003cli\u003ePot plant production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKey features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium propagation:\u003c\/strong\u003e Designed for reliable, uniform rooting across a wide range of crops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh air content:\u003c\/strong\u003e Retains 30% or more air-filled porosity to minimise compaction, even under heavy misting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast root development:\u003c\/strong\u003e Encourages healthy, even root growth for consistent plant establishment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced transplant shock:\u003c\/strong\u003e The plug binder structure helps protect developing roots during transplanting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved productivity:\u003c\/strong\u003e Supports earlier transplanting or shipping, helping maximise bench space and crop turnover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreformed centre hole:\u003c\/strong\u003e 4mm hole allows quick and accurate insertion of cuttings or seedlings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Preforma Refill Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug size:\u003c\/strong\u003e 20mm diameter × 40mm height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre hole:\u003c\/strong\u003e 4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 4.7–5.3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC:\u003c\/strong\u003e 0.8–1.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Peat-based propagation plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColours:\u003c\/strong\u003e Natural peat \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese professional-grade refill plugs are ideal for growers seeking consistent propagation results with healthy root development and efficient crop production.\u003c\/p\u003e\n\u003cp\u003ePair with compatible Jiffy Preforma refill trays to streamline propagation, handling and transplanting throughout the growing cycle.\u003c\/p\u003e","brand":"Garden City Plastics","offers":[{"title":"Default Title","offer_id":48881804542052,"sku":"J500001004","price":302.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6487\/0244\/files\/ChatGPTImageJul31_2026_04_47_29PM.png?v=1785487663","url":"https:\/\/www.greenhousepolytunnels.com.au\/products\/jiffy-preforma-refill-plugs-20mm-with-4mm-hole-2140-units","provider":"Greenhouse \u0026 Polytunnels","version":"1.0","type":"link"}