{"product_id":"choice-r-421a-refrigerant-25-lb-virgin-cylinder","title":"R-421A Refrigerant Cylinder (25 lb) – Virgin, Premium Grade","description":"\u003cdiv class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color\" id=\"model-response-message-contentr_0ea8a65d1673562f\" dir=\"ltr\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eR-421A Refrigerant 25 lb Cylinder | 100% Virgin, Premium Grade Drop-In for R-22 Systems | AHRI-700 Certified\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003eKeep legacy A\/C equipment running with this 25 lb factory-sealed cylinder of 100% virgin R-421A refrigerant. Designed as a near drop-in replacement for R-22, it offers similar performance without the need for a full system retrofit — making it a practical choice for maintaining existing residential and commercial equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Cylinder\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy R-22 Replacement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eR-421A is engineered for retrofit into R-22 systems with minimal system changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Oil Compatible:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan work with existing mineral oil lubricants in many applications, simplifying conversion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShop-Ready Volume:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e25 lb cylinder sized for recharges, conversions, and ongoing service work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSafety \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eR-421A is non-flammable and non-toxic (A1). Before converting, confirm the equipment is compatible and follow manufacturer guidelines for oil changes and system adjustments. As a fluorinated refrigerant, R-421A is subject to phasedown regulations — verify compliance requirements in your jurisdiction before purchase and use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"techchillsupply","offers":[{"title":"1 Cylinders","offer_id":45820504637509,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true},{"title":"10 Cylinders","offer_id":45820504670277,"sku":null,"price":1000.0,"currency_code":"USD","in_stock":true},{"title":"20 Cylinders","offer_id":45820504703045,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"40 Cylinders","offer_id":45820504735813,"sku":null,"price":3300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/8938\/0421\/files\/1728390iepokdl.png?v=1790037878","url":"https:\/\/chillersupply.store\/products\/choice-r-421a-refrigerant-25-lb-virgin-cylinder","provider":"My Store","version":"1.0","type":"link"}