Trane American Standard BAYFRAME235A 21x23.5x5 Expandable Media Frame With Filter

American Standard BAYFRAME235A Expandable Media Frame. This filter frame is made to be installed inside an existing Perfect Fit air cleaner. Frame is made of PVC and is designed to reduce the cost of replacing your existing 5" thick Perfect Fit cardboard box filters. To upgrade to this system you need one of these and then for future media replacements you only need to purchase the expanded media to install in this frame. Trane/American Standard BAYFRAME235A Frame Kit With Filter (AKA FRM01434) 

• 5” Media Filter Frame
• OEM Trane - American Standard
• Kit includes plastic frame and 1 BAYFTAHEXM expandable accordion filter
• Once assembled - it is identical in size to the BAYFTAH23M 5" Box Filter