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Air Filtration • Precision Regulation • Compressor Upgrade Kit
California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit
The California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit is a complete air control and filtration upgrade designed to deliver clean, regulated air from compatible compressors. Featuring a 5-micron particulate filter, precision regulator, and integrated pressure gauge, this assembly ensures consistent air output while protecting tools and systems from contaminants. Engineered for easy installation, it replaces standard ball valves with a more advanced pressure regulation solution.
California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit Applications
Air compressor output pressure regulation and filtration
Upgrading compressor systems with regulated air output
Providing clean air supply for pneumatic tools and equipment
Industrial, workshop, and professional air system setups
Ideal for users seeking improved air quality, stable pressure output, and enhanced compressor performance.
California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit Specifications
Part Number
90998-1-Kit
Max Output Pressure
120 PSI
Filtration
5 Micron (µm) Particulate Filter
Gauge Size
1.5″ Dial (0–120 PSI)
Output Connection
1/4″ NPT
Input Conversion
1/2″ NPT to 3/8″ NPT Adapter
Connection Type
1/4″ Industrial Push-To-Connect Hose Connector
California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit Performance & Construction
5-micron filtration system removes contaminants and particulates from compressed air.
Integrated pressure regulator provides consistent and adjustable air output.
Complete adapter system converts 1/2″ NPT input to 1/4″ NPT output.
Push-to-connect hose fitting enables quick and easy air hose connection.
Durable industrial components built for long-term use in demanding environments.
Compact inline design simplifies installation and integration.
California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit Compatibility
CAT-20060CAD
CAT-20060DCC
CAT-60050SCR
CAT-60065C
CALAIR 60037BD
CAT-80060C
CALAIR 80050BD
Designed to replace standard 1/2″ ball valve assemblies with a regulated and filtered air output system.
California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit Included Components
Regulator Unit
Air Filter Regulator (90998-1)
Gauge
1.5″ Pressure Gauge (0–120 PSI)
Reducer
1/2″ NPT to 3/8″ NPT Nipple
Bushing
3/8″ to 1/4″ Brass Adapter
Connector
1/4″ Industrial Push-To-Connect Hose Fitting
Tubing
1/4″ ID × 3/8″ OD Clear PVC Hose (1 ft)
Why Choose the California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit
Improves air quality with integrated 5-micron filtration.
Provides stable, adjustable pressure for consistent tool performance.
Easy installation with complete adapter and connector system.
Compatible with multiple California Air Tools compressor models.
Enhances overall compressor efficiency and system reliability.
The California Air Tools 120 PSI Output Pressure Regulator Assembly w/Gauge (1/4″ NPT Output) 90998-1-Kit is a practical upgrade for achieving cleaner air, precise pressure control, and improved performance in compressed air systems.
Key Information
Order Cutoff Time: 2:00 PM EST
Order Handling Time: 1–3 business days (Monday–Friday)
Transit Time: 1–7 business days (Monday–Friday)
Total Estimated Delivery Time: 3–11 business days (Monday–Friday)
Shipping Availability: Free Shipping On Most Items In The Contiguous United States only