Overview Reviews Product Description Martech 78454 Climate Control Assembly Hot/Cold Tube cools or warms incoming air from compressed breathing air sources by as much as 30° F. Reversible from cool to warm mode. Adjustable air flow to control temperature level. Product Videos Custom Field Product Reviews Write a Review Write a Review × Martech Martech 78454 Climate Control Assembly - Hot/Cold Tube Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *