ARKSEN R410 R22 R134 R407C AC Manifold Gauge Set w/ 5ft Colored Hoses, 1/2" ACME Adapter Our easy to read 2-7/8" gauges feature 4 MPA scales Reading (R143a, R404a, R410a, R22) Heavy duty aluminum manifold body is highly durable and lightweight Vibration resistant gauges feature a flutter-free design with provides accurate readings Color coded hoses help identify the hoses for added convenience Can be used for automotive or household air conditioning units