# Helhom 26.1 x 15.5 in. Metal Wall Sleeve, Waterproof Noise Reducing AC Sleeve with Exterior Grille, Wall Sleeve Air Conditioner

**Brand:** [Helhom](https://shop.coreranger.com/brands/Helhom)
**SKU:** 98451_MBXCK
**Price:** $236.05 · in stock
**URL:** https://shop.coreranger.com/product/helhom-26-1-x-15-5-in-metal-wall-sleeve-waterproof-noise-reducing-ac-sleeve-with-exterior-grille-wal-342924748

## Specifications

| Spec | Value |
|---|---|
| Model # | 98451_MBXCK |
| Pack Size | 1 |
| Internet # | 342924748 |
| Returnable | 90-Day |
| Store SKU # | 1015889231 |
| HVAC Product Type | HVAC Part |
| Product Depth (in.) | 17.5 in |
| Product Width (in.) | 26.18 in |
| Product Height (in.) | 15.5 in |
| Product Weight (lb.) | 24.0 lb |
| Manufacturer Warranty | 90-Day Worry-Free Warranty Included. Reach out to us at maren@textileatelierstore.com for any inquiries or replacement requests. We're always here to support you. |
| Brand/Model Compatibility | 26.1”L x 15.5“W Metal Wall Sleeve with Exterior Grille for Packaged Terminal Air Conditioners, Ventilation & Drain Hole Design, Noise-reducing Waterproof |
| AC Parts & Accessories Type | AC Brackets |

## Description

This rugged galvanized PTAC wall sleeve fits most through-the-wall air conditioning units, with overall dimensions of 26 in. L x 15.5 in. W x 17.5 in. D and an inner frame measuring 24.2 in. L x 15 in. W. It comes with 3-foam sealers to dampen operational noise and reduce vibration, plus 2-drainage holes and waterproof edges for reliable weather protection. The exterior ventilation grille blocks dust, leaves, debris and small animals while maintaining unobstructed airflow for the AC unit. Crafted from high-grade steel with a white powder-coat finish, the sleeve offers long-lasting rust and corrosion resistance and matches seamlessly with most PTAC units. Assembly is easy with the included tools and detailed instructions, and 24/7 online customer support is available for any questions during setup or use.

• Fits most through-the-wall AC units with precise measurements
• Exterior grille blocks dust, debris and small pests for airflow
• High-grade steel construction resists rust