Our factory produces reticulated polyurethane foam sponge nets, mainly including: polyether filter sponge, polyester filter sponge, closed-cell filter sponge, filter element filter sponge, flame-retardant filter sponge, activated carbon filter foam, photocatalyst filter foam, cold catalyst filter sponge, microporous filter sponge, air filter foam, dustproof filter sponge, ceramic filter sponge, colored filter sponge, sewage treatment filter sponge, cleaning filter sponge, fine-pore high-elasticity filter sponge, coarse-pore filter sponge, extra-large pore filter sponge, and other types. We can also produce filter sponges with various pore sizes (5-120 PPI), colors (black, white, yellow, green, and special colors), hardness levels, and specifications according to requirements. Custom processing and molding are also available. This product is suitable for filtering dust, pollen, airborne particles, water filtration, mechanical filtration equipment, speaker grilles, air filters, gas masks, automotive and motorcycle filters, dust prevention for motor cabinets, aquarium filtration, oil filtration, air conditioning dust prevention and noise reduction, and other fields. Friends from all industries are welcome to inquire via phone or in-person about the detailed information of filter sponges, dustproof sponges, and plastic sponge nets.