General description This replacement cartridge filter and foam sleeve is designed for 5-gallon and larger wet/dry vacuums, ensuring efficient cleaning and air filtration. It is compatible with various models, including SS11-450, LB650C, 4045AH, and SS12-300A 800, and serves as a direct replacement for part numbers 90304, 90585, and others. Technical specifications Material: Plastic Color: White + Black Package Contents: 1 x Filter, 2 x Foam Sleeve, 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm Installation Easy to install: Simply remove the old filter and insert the new one; no tools are required. Usage Helps maintain a healthy environment by filtering household dust, fine powders, and drywall and cement dust. Improves vacuum efficiency, reducing cleanup time and electricity costs associated with a dirty filter.