The Hongsen HS-473AL is a specialized refrigerant recovery unit designed for the efficient recovery of various refrigerants, including R410A, R22, R404A, and R134A. One notable feature of this model is that it is provided without hoses, making it a cost-effective option for professionals who may already have compatible hoses or prefer to purchase them separately. https://www.industrywaala.com/product/hongsen-taa0649-hs-473al-without-hose-single-manifold-with-gauge-l-with-rubber-cover