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🌬️ Breathe Better, Live Smarter — Filterbuy Your Air, Own Your Space!
Filterbuy’s 21x23.5x5 MERV 8 air filters deliver precision fit and superior filtration for Trane Perfect Fit and American Standard HVAC systems. Featuring electrostatically charged pleated media that captures 90% of dust and allergens, these durable, recyclable filters last three times longer than fiberglass alternatives. Designed for easy installation and backed by a robust US-based supply chain, they ensure your home or business enjoys cleaner air and enhanced system efficiency with every replacement.
| Air Filter Construction | Pleated |
| Asin | B01MQSRAC8 |
| Best Sellers Rank | #323 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #24 in Furnace Filters |
| Brand Name | Filterbuy |
| Common Applications | Allergen Reduction, High Strength |
| Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| Compatible Hvac Systems | Commercial, Industrial, Residential |
| Customer Reviews | 4.7 4.7 out of 5 stars (173) 4.7 out of 5 stars |
| Eu Spare Part Availability Duration | 90 days |
| Filter Airflow Direction | Variable |
| Filter Mounting Type | Slide In |
| Filter Shape | Rectangular |
| Included Components | Air Filters |
| Item Dimensions L X W X Thickness | 23.09"L x 20"W x 4.97"Th |
| Item Type Name | Air Filter |
| Item Weight | 7.5 pounds |
| Manufacturer | Filterbuy |
| Manufacturer Part Number | TRF21x23.5x5M8pk2 |
| Material Type | Aluminum, Plastic, Polypropylene |
| Max Temperature | 200 °F |
| Max Velocity | 615 cfm |
| Merv Rating | 8 |
| Model Number | TRF21x23.5x5M8pk2 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Product Grade | Replacement Parts |
| Unit Count | 2 Count |
| Upc | 717267205443 |
| Warranty Description | Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. |
User
Still have A/C company check out unit every 6 months!
I have a Tran A/C and got tired of paying the higher prices for a filter when my A/C company comes out to do 6 month checkup. Technician recommended looking on Amazon and make sure I have the correct filter for the air handler - easy for me since I bought the unit. I live in Florida and a working clean filter is important to us. I buy a two pack and have a new one ready when technician comes out. The filter is a good fit and works fine.
User
Good product. Fair price.
Had a bit of a problem in the ordering, which was my fault, but the company was right on it & took care of business. Was very pleased to receive my filters promptly & even more pleased to find they are a great product at a fair price. Will definitely be buying them again.
User
Edited review in attempt to comply with rules
Purchased these Filterbuy filters before and have been satisfied. This time 2-pack of filters was delivered in a box and prevented damage.
User
As expected, works effectively
Best price we could find on these odd size filters. We gotta buy em and these do the job well.
User
Good fit
Fast shipment, good fit
User
Filter
Good price
User
Perfect Replacement!
Saved so much and just as good of quality if not better!
User
Good buy!
Much less expensive than others. A/C tech says they are as good as OEM. Much less cost. Keep filters changed especially in humid climate.
Trustpilot
1 week ago
2 months ago