Reusable nylon filter bag built to last: constructed with durable nylon for repeated use and longterm filtration solutions; suitable as a tote tank lid breath cover and rain barrels lid cover. Filtration efficiency: nylon bag efficiently removes fine particles from liquids to provide reliable filtration results; compatible with fish tank filters and water tank lid screens. Filtration performance: captures and filters out impurities and particles from a variety of liquids, supporting effective filtration; suitable for venting ton barrel covers and liquid filter bags. Easy to install and maintain: simple design makes installation quick, with easy cleaning and replacement; designed for straightforward maintenance for users; compatible with beta fish tank and rain water bag. Use scenarios: In an aquarium: place the nylon filter bag in the fish tank filter to trap debris and improve water clarity. With rain collection: use as a lid cover or inside a rain barrel lid screen to help filter incoming water and reduce debris. In water storage systems: employ as a lid cover or inline filter for various water tanks to minimize impurities entering the system.