... Policy: 1. Customer care is our top Priority 2. Good Quality is our Mission 3. High Efficiency is our Goal 4 ... as the requirements of the customer.Usage:air conditioning, purifier, range hood, air filter, dehumidifier, and the dust collector, etc.,applicable to a ... 350mmrectangular shapewidth 50mm to 100mm, length 60mm to 400mmPacking:packed in plastic film, outside is wooden cases or carton Sieves ...