Prevents harmful debris from entering your pump, reducing pump maintenance. The sturdy net is designed to be both tear and jam resistant. Perfect product for use in canister filtration systems, aquariums, pond filters, to hold media to ensure a aquarium clean Industrial grade mesh material, triple stitched, wear resistant, protects against harmful organic substances that cause wear. Sturdy net is designed to resist both tearing and blockages. Convenient drawstring for securing the pump in the bag. Package content: 2 filter bags. Dimensions: approx. 31 x 41cm (L x W) Description: Made of mesh fabric, durable and strong for use. Industrial grade mesh, triple stitched, durable mesh. The sturdy net is both tear and jam resistant. Convenient drawstring to secure the pump in the bag. The pump mesh bag is easy to clean or replace. The pump cover prevents debris from entering, which increases the life of the pump. Dimensions are suitable for most pump sizes. Protects the pump against harmful deposits. Specifications: Product name: filter bag. Color: black Material: mesh Dimensions: approximately 31 x 41 cm (L x W). Contents: 2 filter bags. Note: Repeat: 1 cm = 10 mm. 1. Due to the screen and light setting difference, the color may be slightly different from the photo. 2. Since measurements are taken by hand, the sizes shown may vary from 0.5 to 2 cm.