Ahn'Qiraj 2 Pack Pump Barrier Bags Material and durability Industrial grade mesh construction provides strong protection against organic matter damage and long service life. Mesh design and protection Mesh openings are about 2 mm, effectively filtering most debris, reducing pump wear, and safeguarding small fish. Size and compatibility Each filter bag measures approximately 16.2 inches by 12.2 inches. Designed to fit most pumps. Easy installation and use Drawstring closure allows secure fixation of the pump inside the bag. Tighten to protect the pump during operation. What you get 2 pump barrier bags for reliable protection and filtration. Use scenarios Pond and fountain pumps: place the bag over the pump to trap debris and shield the impeller in outdoor ponds or water features. Aquarium or terrarium pumps: protect small fish and inhabitants while maintaining unobstructed water flow. Submersible or external pump setups: use in larger tanks or filtration systems where debris is common to reduce clogs and wear.