◇ dust and odor eliminator filter set ◇ collection are filters pack of 2 Pack of 1 air filter, 2/mounting frame ◇ Replacement Guide: collection are approximately 3 months, please use it as a deodorizer filter about 6 months * RB – a407dk alternative. ///* Compatible Model for sure you can, then order yours today. * Using time and place to exchange time may vary.