# Selkirk 4 in. Pipe Diameter Adjustable Wall Thimble

**Brand:** [Selkirk](https://shop.coreranger.com/brands/Selkirk)
**SKU:** 187704HD
**Price:** $14.98 · in stock
**URL:** https://shop.coreranger.com/product/selkirk-4-in-pipe-diameter-adjustable-wall-thimble-309077125

## Specifications

| Spec | Value |
|---|---|
| Model # | 187704HD |
| Material | Stainless Steel |
| Pack Size | 1 |
| Internet # | 309077125 |
| Returnable | 90-Day |
| Store SKU # | 1004379578 |
| Product Depth (in.) | 5 in |
| Product Width (in.) | 8.75 in |
| Product Height (in.) | 8.75 in |
| Product Length (in.) | 16.75 in |
| Manufacturer Warranty | Limited Lifetime |

## Description

This 4 in. Adjustable Gas Vent Type B Wall Thimble boasts a long list of convenience features. That including a durable galvanized-steel outer pipe, die-formed ends and convenient lock tabs. This wall thimble is designed for use on approved gas appliances in residential, light-commercial and industrial applications.

• Wall pass-through maintains airspace clearance
• Adjusts from 4-1/8 in. to 7 in. to fit thickness of wall
• Wall thimble serves as a firestop