{"product_id":"mrcool-3-5-wall-sleeve-and-cap-kit-mcsleeve-clean-hvac-line-set-installation","title":"MRCOOL 3.5\" Wall Sleeve and Cap Kit MCSLEEVE - Clean HVAC Line Set Installation","description":"\u003c!-- MRCOOL 3.5\" WALL SLEEVE AND CAP KIT (MCSLEEVE) — MRCOOL DIY Direct --\u003e\n\u003csection style=\"margin: 0 auto; max-width: 980px; padding: 24px 16px; line-height: 1.6;\" class=\"mrcool-wall-sleeve\"\u003e\n\u003ch1 style=\"font-size: 2rem; margin: 0 0 8px;\"\u003eMRCOOL 3.5\" Wall Sleeve \u0026amp; Cap Kit (MCSLEEVE) — Mini-Split Line Set Wall Pass-Through | MRCOOL DIY Direct\u003c\/h1\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eThe \u003cstrong\u003eMRCOOL 3.5\" Wall Sleeve and Cap Kit (MCSLEEVE)\u003c\/strong\u003e ensures a clean, professional finish when routing \u003cstrong\u003epre-charged or traditional HVAC line sets\u003c\/strong\u003e through a wall. Designed for both new installations and retrofit projects, this genuine MRCOOL accessory protects your HVAC lines from wear, weather, and abrasion while maintaining a polished, finished appearance.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eBuilt with durable, high-quality materials, the \u003cstrong\u003eMCSLEEVE Wall Pass-Through Kit\u003c\/strong\u003e helps reduce long-term wear and improves the efficiency and reliability of your \u003cstrong\u003emini-split system installation\u003c\/strong\u003e. It’s easy to install and compatible with all MRCOOL systems — including \u003cstrong\u003eDIY Series and Advantage Series units\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c!-- Features --\u003e\n\u003cdiv style=\"border: 1px solid #eee; border-radius: 12px; padding: 16px; margin: 24px 0;\"\u003e\n\u003ch2 style=\"font-size: 1.15rem; margin: 0 0 10px;\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul style=\"padding-left: 18px; margin: 0;\"\u003e\n\u003cli\u003e✔ \u003cstrong\u003eProfessional Finish:\u003c\/strong\u003e Provides a clean, sealed wall pass-through for HVAC line sets, improving appearance and protection.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from tough, long-lasting materials designed to resist wear and weather exposure.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Installs quickly for both new MRCOOL mini-split setups and replacements.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eProtects Pre-Charged Line Sets:\u003c\/strong\u003e Prevents kinking and abrasion of refrigerant lines and insulation.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eGenuine MRCOOL Replacement Part:\u003c\/strong\u003e Engineered for perfect fit and compatibility with MRCOOL systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Technical Specs --\u003e\n\u003cdiv style=\"border: 1px solid #eee; border-radius: 12px; padding: 16px; margin: 16px 0;\"\u003e\n\u003ch2 style=\"font-size: 1.15rem; margin: 0 0 6px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul style=\"padding-left: 18px; margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Wall Sleeve \u0026amp; Cap Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MRCOOL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number (MPN):\u003c\/strong\u003e MCSLEEVE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 3.5\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e MRCOOL DIY Series, Advantage Series, and other mini-split systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Wall pass-through for HVAC line sets and condensate hoses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Density ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Wall Sleeve Tube \u0026amp; End Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Interior \/ Exterior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Pro Tip --\u003e\n\u003cdiv style=\"border: 1px solid #ffcb05; background: #fff9e6; border-radius: 12px; padding: 16px; margin: 20px 0;\"\u003e\n\u003cstrong\u003e💡 Pro Tip:\u003c\/strong\u003e MRCOOL’s \u003cstrong\u003e3.5\" wall sleeve\u003c\/strong\u003e is specifically sized to accommodate the \u003cstrong\u003eQuick Connect pre-charged line sets\u003c\/strong\u003e used in MRCOOL DIY systems. The extra internal diameter allows the pre-insulated refrigerant lines to pass smoothly through the wall opening without compression or tearing. Always align your sleeve angle slightly downward toward the exterior for proper condensate drainage and professional finish.\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; border-radius: 12px; padding: 14px; margin-bottom: 18px;\"\u003e\n\u003cstrong\u003eBuy from MRCOOL DIY Direct\u003c\/strong\u003e — the USA’s trusted source for genuine MRCOOL parts and accessories. Enjoy \u003cstrong\u003enationwide delivery\u003c\/strong\u003e, fast shipping, and dedicated customer support for all your MRCOOL installation needs.\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- JSON-LD: Product with Nationwide Shipping (MRCOOL DIY Direct) --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- Meta SEO Fallbacks --\u003e\n\u003cp\u003e\u003cmeta name=\"title\" content='MRCOOL 3.5\" Wall Sleeve \u0026amp; Cap Kit (MCSLEEVE) — Mini-Split Line Set Wall Pass-Through | MRCOOL DIY Direct'\u003e \u003cmeta name=\"description\" content='Shop the MRCOOL 3.5\" Wall Sleeve \u0026amp; Cap Kit (MCSLEEVE) at MRCOOL DIY Direct. Clean, durable wall pass-through for mini-split line sets. Protects HVAC lines and ensures a professional finish. Nationwide delivery available.'\u003e\u003c\/p\u003e","brand":"MRCOOL DIY Direct","offers":[{"title":"Default Title","offer_id":49175922671843,"sku":"12122200002820 + 12122200002847","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/MRCOOL_3.5_Wall_Sleeve_and_Cap_Kit_MCSLEEVE_-_Clean_HVAC_Line_Set_Installation_-_-4488073.jpg?v=1780842763","url":"https:\/\/freedomhvacsupply.com\/products\/mrcool-3-5-wall-sleeve-and-cap-kit-mcsleeve-clean-hvac-line-set-installation","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}