Perfectly safeguards bathroom drains, kitchen sink pipes, vent stacks, and ranges hoods ducts against small animal entry while allowing smooth water flows and air circulation Engineered with accuracy cut 0.2" hexagonal to block rodents yet permit efficient drainage, this proof accessory withstands extreme temperatures from 40°F to 1200°F Ideal for homeowners, property managers, and enthusiasts seeking permanent solution against intrusion while maintaining best airflows in residential/commercial spaces The arched net structure combines durability with 360 ventilation efficiency, while its detachable design simplifies maintenance and prevents pipe clogging from debris accumulation Premium 304 stainless steel construction ensures outstanding erosion resistance and heat tolerance, featuring innovative curved gnawer & bird proof meshing design for secure drainage systems defense, Manufacturer: carotoe