20AC Series couplings offer 1/8” flow capacity. Manufactured from high performance acetal thermal plastic material, they are resistant to most mild chemicals. They meet most FDA & NSF listing requirements. 20AC Series couplings are designed and manufactured to be trouble free for many years of service life. All 20 Series couplings interconnect with each other, regardless of material construction, and they are compatible with many other latch type couplings.