Product Description
LT4S 4" Lint Trap from Atmosphere is a low-profile, in-wall dryer lint trap engineered specifically for installations in 4" deep wall cavities. Ideal for tight-space residential laundry applications, it features a compact oval duct adapter, powder-coated finish, and washable screen for efficient lint collection. With visual access through a clear window and tool-free filter removal, the LT4S improves dryer performance while enhancing fire safety.
Brand: Atmosphere
Model: LT4S
Type: 4" Shallow Wall Dryer Lint Trap
Compatibility: 4" ducting | 4" wall depth | 1/2" or 5/8" drywall
Construction: Powder-coated steel + flame-resistant polymer
Free shipping on orders over $250
Product Benefits
- Fits flush in 4” deep wall cavities for limited-space installs
- Captures dryer lint before it enters vent ductwork
- Window for quick visual inspection without disassembly
- Supports code compliance and fire prevention efforts
Key Features
- 4" Oval Duct Adapter: Designed specifically to accommodate shallow wall cavities:contentReference[oaicite:0]{index=0}
- Clear Lint Window: 100mm view window allows users to check buildup at a glance
- Durable Powder-Coated Box: Resists rust and wear for long-term use
- UL 94 V-0 Fire-Resistant Polymer: Safe construction for high-temperature air paths
- Includes Trim Frame: For a seamless drywall finish
Specifications
Physical Dimensions
| Depth (C) | 3.9" |
| Height (B) | 5.9" |
| Face Height (D) | 7.0" |
| Face Width (E) | 8.9" |
| Adapter Width (A) | 3.1" |
Materials
| Housing | Powder-coated steel |
| Screen | Washable nylon (flame-resistant) |
| Window | 100mm polymer visual inspection port |
Application Examples
- Dryer venting in tight laundry closets or alcoves
- Townhouses, condos, and apartments with 2x4 framing
- Shallow wall construction needing recessed vent access
- Installations requiring accessible lint filtering
Installation Tips
- Mount box to a wall stud using two screws (not included)
- Use duct clamps or foil tape to secure ductwork—avoid screws
- Flush box with drywall edge before attaching trim frame
- Install screen door assembly by snapping it into the trim frame
- Check and clean lint screen before each dryer cycle
Frequently Asked Questions
What makes the LT4S different from the standard LT4?
The LT4S is optimized for 4” deep wall cavities and uses an oval adapter to fit in shallower framing:contentReference[oaicite:1]{index=1}.
Can this be used in new or retrofit installations?
Yes, it’s ideal for both—especially where space or framing depth is limited:contentReference[oaicite:2]{index=2}.
Is the screen washable?
Yes, the screen is made from flame-resistant nylon and can be removed and rinsed as needed:contentReference[oaicite:3]{index=3}.
Does this product require a special trim kit?
No, the trim frame is included with the LT4S unit for a clean finish:contentReference[oaicite:4]{index=4}.
Can I mount this horizontally?
No, the LT4S is designed specifically for vertical in-wall mounting between studs:contentReference[oaicite:5]{index=5}.
Is it safe for high heat from dryers?
Yes, all components meet UL 94 V-0 flame resistance standards and are designed for dryer exhaust paths:contentReference[oaicite:6]{index=6}.
How often should I clean the screen?
Before each dryer use to maintain performance and minimize fire risk:contentReference[oaicite:7]{index=7}.
