Something to Consider｜MRCOOL® 3.5" Wall Sleeve and Cap Kit MCSLEEVE - Clean HVAC Line Set Installation｜ Fashion Accessories

Description 
MRCOOL 3.5" Wall Sleeve & Cap Kit (MCSLEEVE) — Mini-Split Line Set Wall Pass-Through
The MRCOOL 3.5" Wall Sleeve and Cap Kit (MCSLEEVE) ensures a clean, professional finish when routing pre-charged or traditional HVAC line sets 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.
Built with durable, high-quality materials, the MCSLEEVE Wall Pass-Through Kit helps reduce long-term wear and improves the efficiency and reliability of your mini-split system installation. It’s easy to install and compatible with all MRCOOL systems — including DIY Series and Advantage Series units.

Key Features & Benefits

✔ Professional Finish: Provides a clean, sealed wall pass-through for HVAC line sets, improving appearance and protection.
✔ Durable Construction: Made from tough, long-lasting materials designed to resist wear and weather exposure.
✔ Easy Installation: Installs quickly for both new MRCOOL mini-split setups and replacements.
✔ Protects Pre-Charged Line Sets:Prevents kinking and abrasion of refrigerant lines and insulation.
✔ Genuine MRCOOL Replacement Part: Engineered for perfect fit and compatibility with MRCOOL systems.

Technical Specifications

Product Type: Wall Sleeve & Cap Kit

Brand: MRCOOL

Model Number (MPN): MCSLEEVE

Diameter: 3.5"

Compatibility: MRCOOL DIY Series, Advantage Series, and other mini-split systems

Application: Wall pass-through for HVAC line sets and condensate hoses

Material: High-Density ABS Plastic

Includes: Wall Sleeve Tube & End Cap

Installation Type: Interior / Exterior

 Pro Tip: MRCOOL’s 3.5" wall sleeve is specifically sized to accommodate the Quick Connect pre-charged line setsused 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.
Brand:MRCOOL®SKU:12122200002820 + 12122200002847Tags:3.5 wall sleeve, Advantage Series units., DIY, DIY Install, DIY Series, Ductless Accessories, filter_DIY, filter_Ductless, filter_MRCOOL, Heating Accessory, HVAC Accessory, HVAC Installation, HVAC Part, Installation Accessory, Mini Split Accessories, MRCOOL, MRCOOL DIRECT, MRCOOL DIY, MRCOOL DIY DIRECT, MRCOOL Parts, MRCOOL SALES, Mrcool wall sleeve, MRCOOLDIY, Web-DIY 4th Gen