# MIAOTONG Pet Door Medium Steel Wall-Mount Dog Door, 3-Flap Aluminum Frame

MIAOTONG Pet Door fits walls 3 9/16–6 11/16 inches thick, with a three-flap design for everyday pet access.

- [Original product page](https://www.ofertitastop.com/us/product/miaotong-pet-door-medium-steel-wall)
- [View offer](https://www.ofertitastop.com/us/visit/miaotong-pet-door-medium-steel-wall)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-11-04T00:11:56.524Z
- Brand: MIAOTONG
- Model: Pet Door
- MPN: 1
- SKU: ofertitastop-us-155235
- Category: Animals & Pet Supplies > Pet Supplies > Pet Doors
- Source store: amazon US
- Active deal: Yes
- Price: 89.99 USD
- Previous price: 105.99 USD
- Discount: 15%
- Rating: 4.4 / 5
- Reviews: 810

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## Everyday use

For pet owners who need a wall-mounted entry for a cat or dog weighing up to 40 pounds, the MIAOTONG Pet Door provides a defined passage through walls from 3 9/16 to 6 11/16 inches thick. Its telescoping tunnel adjusts across that wall range, while the three-flap design adds an insulating layer for everyday access between indoors and outdoors.

Brush seals sit around the frame to help limit drafts and keep insects from entering through the opening. That makes the door a practical choice for a pet’s regular trips outside, with the flap system and tunnel designed for a wall installation rather than a standard door panel.

## Tech summary

- Type: Wall-mounted pet door
- Size: Medium
- Suitable pet weight: Up to 40 pounds
- Compatible wall thickness: 3 9/16–6 11/16 inches
- Flap opening: 8 1/8 inches wide x 12 7/8 inches high
- Frame dimensions: 12 1/4 inches wide x 16 3/8 inches high
- Wall cutout: 9 3/5 inches wide x 13 3/5 inches high
- Material: Aluminum frame with aluminum lock
- Temperature range: -20°F to 120°F

## What stands out

The adjustable tunnel is the key feature for a wall-mounted setup: it accommodates a stated range of wall thicknesses, helping the passage extend through the wall instead of being limited to a single panel. Cutout templates and step-by-step installation instructions are provided to guide the fitting process. Measuring the wall and planning the cutout against the listed dimensions helps prepare for installation.

Three flaps and brush seals give this model a weather-conscious design. The manufacturer lists a temperature range of -20°F to 120°F, and the seals are designed to reduce outside air and insect entry around the frame. The aluminum frame and lock provide a metal construction for the access point. Compared with choosing a pet door designed for a standard door, this wall version is suited to homes where a wall is the preferred route between the living space and the outdoors.

Customer feedback often praises the solid feel and straightforward installation. Experiences with flap closure and fit are mixed, and some buyers report durability problems over time. The listed opening, cutout, and wall-thickness measurements give useful reference points when assessing the installation for a particular space and pet.

## What to clarify

**How thick can the wall be?** The telescoping tunnel is listed for walls from 3 9/16 to 6 11/16 inches thick. Measure the installation location within that range before cutting.

**What size opening does the pet use?** The flap opening measures 8 1/8 inches wide by 12 7/8 inches high. The listed maximum pet weight is 40 pounds, so consider both the opening dimensions and your pet’s weight when choosing this medium size.

**What cutout is needed, and what weather range is listed?** The wall cutout is 9 3/5 inches wide by 13 3/5 inches high. The product is listed for temperatures from -20°F to 120°F and uses three flaps with brush seals.

## When it makes sense

Choose this MIAOTONG wall pet door when you want a medium-size passage for a cat or dog up to 40 pounds and need a tunnel designed for a specific range of wall thicknesses. Its three-flap construction, brush seals, and installation templates make it a purposeful fit for a home where pets need a regular route through an exterior wall.

## Images

![MIAOTONG Pet Door Medium Steel Wall-Mount Dog Door, 3-Flap Aluminum Frame — 1](https://www.ofertitastop.com/i/7S8yx91TmjUE-i-OnowrXRgpkYMQebK7HQB78yO5FOo2gJRVLBfetD8bl3LfFHdA4sOoMWgOmEo2aMXPXVsTM93sncwyYJidIkZ0Z55aCPRa7JadohNEvlOYqw.jpg)

![MIAOTONG Pet Door Medium Steel Wall-Mount Dog Door, 3-Flap Aluminum Frame — 2](https://www.ofertitastop.com/i/9XOUwSILEJEFf-dRVFUAMbxfJdg9WmqAccp3UTUfk3NDP7QHXce5vk51wR-eO_IEo4GK25qwKK64MyY3uKs1GFsVl0dodQ9oIwFIo1l1IPC-hFawjYf6VqJRZQ.jpg)

![MIAOTONG Pet Door Medium Steel Wall-Mount Dog Door, 3-Flap Aluminum Frame — 3](https://www.ofertitastop.com/i/hrH66ZZBItOO_V-ttQZxFh7HYdMm7uLW7oijhJ2ZhKBILbc0Bd_BF3usGjZmOFz88okLlj1-dFRzbSR0vR6EGXb9IkWW2ZyAp2OGcrPNZzCOV2SltVDZNmKolw.jpg)

![MIAOTONG Pet Door Medium Steel Wall-Mount Dog Door, 3-Flap Aluminum Frame — 4](https://www.ofertitastop.com/i/zB6XDDX02zZelpp5iN6Znrw0mNvV6VPrHCBv4DnOJSZRDygZTp-b5_ErvV5IBjupXwjR6LJlQ9YxQ6N7iCgmS1zeEHx07x3CFIdt9-4JzJOQdMrN.jpg)

![MIAOTONG Pet Door Medium Steel Wall-Mount Dog Door, 3-Flap Aluminum Frame — 5](https://www.ofertitastop.com/i/GNhEct0wDSB0fSNvwbTPz5CwYqfEFm9FtvEWZb9htte8lpuJEYXNdDmuE1CZ5FldZGSoyHHIThyZ7O-AvSaRmLwpce_Td-8tcLjOb718pNnS151DfHdKQklgDg.jpg)