Replacement Air Filter for Airmax LR50 (SW40), 2-Pack The intake filter on the LR50 and SW40 compressor protects the linear diaphragm from airborne dust and debris that reduce its service life and air output capacity. When the filter clogs, you will notice reduced bubble output at the diffusers before the compressor shows any other symptoms. This 2-pack covers the SW40 system for a full year of annual changes, or provides a backup filter for systems in dusty locations. Compatible With Airmax LR50 aerator, SW40 system compressor Quantity 2 filters Replacement Frequency Every 6 to 12 months; more often in high-dust environments How to Replace Unplug the aerator. Remove the old intake filter from the compressor housing. Discard it rather than cleaning and reusing. Saturated filter foam retains particles even after rinsing and continues to restrict airflow. Install the new filter and restart. Check diffuser output to confirm air delivery has improved. Fits the Airmax LR50 aerator and SW40 system compressor. Separate from the LR25/SW20 filter (AM-510158). Confirm your system model before ordering.
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