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Reading Technologies Inc. (RTI) designs and manufactures inline compressed air filtration systems and replacement elements for professional spray finishing environments. RTI filtration systems are used in automotive body shops, industrial coating operations, and any application where clean, dry, oil-free compressed air is critical to finish quality and equipment longevity.
Products we carry
- RTI EH4000 Air Filter System — A high-performance inline air filtration system that removes water, oil, and particulates from compressed air lines. The EH4000 is designed for demanding production environments where consistent air quality is non-negotiable.
- RTI 6950-1 Cartridge — Replacement filter element for compatible RTI inline filter housings.
- RTI DE401 Cartridge — Desiccant-type replacement cartridge for ultra-dry compressed air. Removes moisture at the molecular level for applications sensitive to any humidity in the air supply.
- RTI 3P-060 Cartridge — High-flow 1-micron particulate filter element. Captures fine particles and aerosols from compressed air before they reach spray guns or finishing equipment.
- RTI 3C-060 Cartridge — High-flow coalescing filter element that captures oil mist and water vapor, delivering clean, dry air to downstream equipment.
Why inline air filtration matters
Contaminated compressed air is one of the leading causes of paint defects in professional finishing. Water in the air supply causes blushing, poor adhesion, and cratering. Oil contamination causes fish eye and prevents proper bonding of topcoats. Particulates cause surface texture defects that require costly rework. A properly maintained inline filtration system eliminates these variables — protecting finish quality, reducing rework, and extending the life of spray guns and finishing equipment. RTI replacement cartridges should be changed on schedule to maintain filtration performance as the media saturates.