CARBO Instruments clean filter utility water pressure gauge for swimming pool filter, Spa and Aquarium, 0-60 psi, 1/4" NPT Brass Lower Connection, Clean Filter Indicator with Adjustable Ring to Suit Most Filter Types. Can be used to measure water pressure, air pressure, hydraulic pressure, oil pressure and any non-corrosive medium.

• CARBO instruments Professional Pool Spa Filter Water Pressure Gauge Large Easy To Read Dial Size, With Strong Case And Lens And ¼” Brass Connection. ASME B40.1 Grade B Accuracy Compliance ± 3-2-3 % Of Span. 

• Adjustable Twist Bezel, Large Marked Clear To Set The Start / Clean Filter Differential

• Durable Movement, Brass Wetted Parts, Accuracy: +/-2.5% Comply to ASME B40.100 Standard, Pressure Range To 60psi/4bar, Double Scales With Different Color, Easy To Read.

• Dual Scale: Psi / Bar With KPA Guidance To Suit Many Filters Type.

• Widely Used For Pressure Measuring On The Filter Of Swimming Pool, Spa, Aquarium Water And So On.