Prevents damaging debris from getting into your pump, minimizing pump maintenance. Sturdy mesh is sized to be both tear and clog resistant. Thickening industrial-grade mesh material, Triple-stitched, heavy-duty netting, protect it from damaging organic matter that cause wear and tear. Size: 17.7inch x 17.7inch Mesh Size: 1.7mm Kindly Note: Please make sure the size to fit your pump before purchasing. Package Included: 1 Pack Pond Pump Barrier Bag