200 micron: nominal rating of 200 micron filter compatible with #4 bag filter housings max filtration: high dirt-holding capacity for a broad range of applications like food manufacturing, woodworking, metalworking, building products, and energy filtration temperature rating: filter bag offers a maximum temperature rating of 200°f top-grade media: spiropure filter bags are made with premium polyester felt filter media 30-day guarantee: spiropure filters have a 30-day money back guarantee. if you do not like the performance of your filter, you can send it back within 30 days of purchase for a full refund
