Collection: Filters, Fans, Pressure Gauges & Tubing

Muffler Box, Sound Insulation, Quiet Filter for Large Cabinets: AIR 4, AIR 5, AIR 6, HF 4, HF 5, HF 6, HF 7, AIR 3XL, AIR 4XL, HF 3XL, HF 4XL, HF 5XL, HF 3XL5, HF 4XL5

Muffler Box, Sound Insulation, Quiet Filter for Medium Size Cabinets: Air 2, Air 3, HF 2, HF 3, HF 3+, AIR 2XL, HF 2XL, HF 1XL5, HF 2XL5

Muffler Box, Sound Insulation, Quiet Filter for Small Cabinets: Air 1, Air 1 +, Air 1 XL4