Qufulka valve ee LEDS waa qalabkii ugu horreeyay ee lagu xiro valves-gacmeedka leh dhexroorka asliga ah ilaa 6.35cm si fudud oo waxtar leh.Marka la codsado, saldhigga aaladda qufulka waalka fur ayaa meesha ku sii jiraya oo inta badan ma farageliso kicinta waalka iyada oo la adeegsanayo furaha ama gacanta laga saari karo.Qalabku cabirkiisu wuu is haysta laakiin aad ayuu u muuqdaa waana fududahay in la isticmaalo waxana uu ka samaysan yahay polypropylene PP.