3M Filtrete 1500 Ultra Allergen Filter

It carries a micro particle performance rating (MPR) of 1500 roughly equivalent to a MERV 12 rating. No unnecessary antimicrobial chemicals added. Filtrete filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use. Contains electrostatically charged media to filter and attract particles in the air. 90% effective at capturing large allergens like pollen, mold spores, dust mite debris. This filter should be changed at least every 3 months. Certain conditions in your home will significantly add particles to the air this will cause the filter to capture more particles, shortening it’s life to less than 3 months. These conditions would include dirty duct work, pets, construction work, sanding projects, tobacco smoke, burning candles, fireplaces and wood-burning stoves. one part of MERV reports a filter’s ability to capture medium to large particles between 1 and 10 microns. This value is helpful in comparing the performance of different filters but it is not adequate alone because particles greater than one micron make up only about 1% of the contaminants in your indoor air. Another part of MERV addresses sub-micron particles.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.