Seals small leaks in condensers, evaporators, fittings, schrader valves, and line sets.
Travels with the gas for faster, more effective leak sealing compared to competitors.
Ideal for heat pumps, split & mini-split units, packaged units, microchannel coils, coolers, and commercial systems.
Forms a durable seal in metal, O-rings, gaskets, solder joints, and schrader valves for long-lasting results.
Simple one-time use application; no hoses, caulk guns, or extra tools required.
Concentrated formula means less material in the system while maintaining strong performance.
Trusted Enviro-Safe quality backed by 29+ years of sealant expertise and field-tested injector design.
Must be shipped to a physical address. We will not ship to P.O. boxes. Enviro-Safe ProSeal XL4 is one of our most requested products. We are thrilled to announce the first in our NEW line of products, Enviro-Safe ProSeal XL4 Inject! Enviro-Safe ProSeal XL4 Inject is a small, concentrated, easy injection tool invented by our Vice President, Randy Price. Currently, this "Sealant Hose and Method of use" is patent pending. Eliminate the tedius, and time consuming process of "pumping down the unit". Simply Connect and Inject. Enviro-Safe's ProSeal XL4 Inject is: Concentrated Compatible with all refrigerant, except ammonia Compatible with all oils No need to pump down R410, or other units Large equipment, bulky tools, injection hoses are a thing of the past For Use In: heat pumps split systems & mini split units packaged units microchannel coils Enviro-Safe ProSeal XL4 Inject is currently available in two sizes: Fractional - 1.5 Ton unit, and 1.5 - 5 Ton units. These items are also available in Bulk: boxed quanitites non-boxed quanitites.