Round filter

Features

• 1 round filter

• The 9″ _7⁄16 (TDFILTR10) ^filter is designed for the M20 central vacuum
• The 11 ¼” filter (TDFILTR7) is designed for M40 and M4 central vacuums
• The 13 ¼” filter (TDFILTR9) is designed for the M50 central vacuum