The HVAC/R Professional's Field Guide to Universal R-410a Safety & Training: Delta-T Solutions (This is a safety and training guide, the cylinder is NOT included)

The Unviersal R-410A Safety Training Manual covers the necessary training and practical knowledge to safely service systems containing R-410A and R-407C, the R-22 phase-out, appropriate refrigerant and oil applications, service techniques, and safe handling of R-410A.