Prevents harmful debris from entering your pump, reducing pump maintenance. The sturdy net is designed to be both tear and blockage resistant. Perfect product for use in canister filter systems, aquariums, pond filters, to hold media to ensure a clean aquariumMaterial made of industrial grade mesh, triple stitched, wear resistant, protects against harmful organic substances that cause wear. The heavy duty mesh is designed to resist both tearing and blocking. Convenient drawstring to secure the pump in the bag. Package Contents: 2 filter bags. Dimensions: approx. 45 x 45 cm (L x W) Description: Made of mesh fabric, durable and strong for use. Industrial grade mesh, triple stitched, heavy duty mesh. Heavy duty mesh is both tear and blockage resistant. Convenient drawstring to secure the pump in the bag. The mesh pump bag is easy to clean or replace. The pump cover prevents debris from entering, increasing 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 45 x 45 cm (L x W). Contents: 2 filter bags. Note: Connection: 1cm = 10mm. 1. Due to the light and screen setting difference, the color may be slightly different from the pictures. 2. Since measurements are taken by hand, the sizes indicated may vary by 0.5-2 cm.