Decor Grates FRP412 Pristene Air Filter Retainer Registers, Black, 1.2" x 3.8" x 11.8"

• Retainer clips under register to hold filter in place (filter and retainers sold separately)
• Allows operation of airflow control without compromising filter
• Pressure-fitted to prevent retainer separating from register
• Re-usable retainer; only need to replace filter media as required
• Only works with Decor Grates floor registers

This Decor Grates air filter retainer clips under Decor Grates register to hold filter media in place and allows operation of Decor Grates airflow control without compromising filter. Pressure fitted to prevent retainer separating from register and only works with Decor Grates floor registers. Measure the inside of the damper box before cutting the filter media. For example, the inside measurement of a 4”x10” damper box is only 3. 5”x9. 5”. Each pack of filter media will produce the maximum possible number of filters by cutting only what you need. If you only have 4”x10” registers, the maximum possible number of filters from one filter pack is 15.