---
title: "The Filter Source Promo Codes"
description: "Promo Codes at The Filter Source. Check for offers and shopping options on Refermate."
canonical_url: "https://staging.refermate.com/store/the-filter-source/promo-codes"
md_url: "https://staging.refermate.com/store/the-filter-source/promo-codes"
last_updated: "2026-10-09T14:24:57.430Z"
---
# The Filter Source Promo Codes

- URL: https://staging.refermate.com/store/the-filter-source/promo-codes
- Page: Promo Codes
- Store: The Filter Source
- Current offers: 1 offer
- Store website: http://www.thefiltersource.com
- Last refreshed: Friday, October 9, 2026

## Current Offers

### 1. FREE SHIP
Type: Deal
Description: Free Shipping on $50+ order.

## About The Filter Source

The Filter Source is a United States–based online retailer specializing in replacement filters for HVAC and air filtration needs. They sell a range of air filter products for residential and commercial applications.

## Frequently Asked Questions

### 1. How many The Filter Source promo codes are available right now?
The Filter Source currently has 1 current offer listed. Availability and terms can change, so check the offer details before checkout.

### 2. How do I use a promo code at The Filter Source?
When a code is listed, copy it from this page, add your items to your The Filter Source cart, and paste the code in the promo code field at checkout. Check the offer terms to confirm the discount applies.

### 3. When was this The Filter Source promo codes page updated?
Refermate updates this page when its The Filter Source offer or store data changes. Check the current offer details before shopping.

## Explore More

- Site map: https://staging.refermate.com/sitemap.md
- Store sitemap: https://staging.refermate.com/stores/sitemap.md
- Store directory: https://staging.refermate.com/stores