merv 11 4inch Size:12" x 24" x 4" Lifespan: 3 years 97 efficiency True HEPA Lifespan: 3 years Animal squames Non favourable to bacterial or fungus growth MERV 11 means that the filter can stop 50% of particles larger than 1 micron and 90% of 10 microns particles
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US$ 85.00
US$ 85.00
US$ 90.00
US$ 90.00
US$ 390.00
US$ 90.00