ISBN 9781930044128 books & textbook
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)
John Tomczyk Joe Nott Dick Shaw
ESCO Institute /2002-05-01 Spiral-bound / 102 Pages
isbn-10: 1930044127 / isbn-13: 9781930044128
