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Wanted - Ridgid 28043 ProPress ring set 1/2" - 1-1/4"

These are the rings used for close quarters.

gulagbythebay@gmail.com
8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

Two btu per sq ft for degree difference for a slab