Stop Buying Filters One at a Time.
A case of pleated filters is a 1–3 year supply for most homes — at a fraction of what you'd pay buying singles. Real brands. Real savings. Shipped to your door.
Same Filter. Less Money.
You're paying retail markup or rolling the dice on a relabeled import. We sell the same trusted-manufacturer filters in cases — and we ship them to your door.
Real brand, but you're paying for the shelf. Drive there. Hope they have your size. Buy one.
Unknown source. Relabeled imports. The MERV number on the box may not match what's actually in the media.
12-pack from $57.99
12-pack from $99.99
Real manufacturers. Case pricing. One order covers most homes for a year or more. Free shipping over $50.
Find Your Exact Size.
Width × Length × Depth — supports ⅛″ fractions. Don't see your size on the shelf at the big-box? We build custom filters in any dimension, ⅛″ at a time.
Open Size Finder →Real Brands. No Knockoffs.
We only ship filters from manufacturers we know — direct from our distribution network. No relabeled imports. No mystery boxes.
50 years of HVAC expertise. Online since 2006. Family-owned, shipping nationwide.
Three Reasons. Done Thinking About Filters.
Buying singles is the most expensive way to do this — and the most likely to leave you stuck the day yours needs changing.
Less Per Filter
Bulk pricing on real-brand filters. Fiberglass cases from $57.99 ($4.83 each). Pleated cases from $99.99 ($8.33 each). Same MERV, same dimensions, fraction of what you'd pay buying singles.
One-and-Done
A 12-pack of pleated filters covers most homes for 1–3 years, depending on your filter type and change schedule. Stock the closet. Forget about it.
Filter Fit Guarantee™
Wrong size? Doesn't fit? We make it right. Plus our team answers filter questions every day — text, call, or email and we'll help you get it dialed in.
Trusted by Homeowners and Businesses
"Ordered a 12-pack of 16x25x1 pleated and they showed up in three days. Same Flanders filters my HVAC guy was charging me almost double for. Won't buy anywhere else now."
"Couldn't find my odd size at any local store or on Amazon. Called RTF and they built a custom set in less than a week. Fit perfect. Customer service actually answers the phone."
"I manage 9 rental units. One bulk order from these guys covers all my properties for the year. Saves me hours of running around and a real headache come change time."
Ready to Stock Up?
Find your size, or grab a 12-pack of our most popular MERV 10 pleated case for $99.99 — about $8 per filter, shipped free.