![Weird air filters inside the furnace | Terry Love Plumbing Advice & Remodel DIY & Professional Forum Weird air filters inside the furnace | Terry Love Plumbing Advice & Remodel DIY & Professional Forum](https://terrylove.com/forums/proxy.php?image=https%3A%2F%2Fcimg4.ibsrv.net%2Fgimg%2Fwww.doityourselft.com-vbulletin%2F1500x2000%2Fairflow1_eef5bf238e7807fd49ad9d572814e519066ca376.jpg&hash=95417e3e24053c16a414a3bb1b06a24d)
Weird air filters inside the furnace | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
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hvac - Where should my furnace filter go in a Lennox G40UHX series furnace? - Home Improvement Stack Exchange
![Where is my air filter and how do I install it? We just bought this house and realized that there's no air filter anywhere on this machine. We checked the air return Where is my air filter and how do I install it? We just bought this house and realized that there's no air filter anywhere on this machine. We checked the air return](https://preview.redd.it/ya1vooemh6m91.jpg?width=640&crop=smart&auto=webp&s=d1f576874cc42253a0c70400faaa8c1222407bca)
Where is my air filter and how do I install it? We just bought this house and realized that there's no air filter anywhere on this machine. We checked the air return
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