MRCOOL 16FT 1/4" x 3/8" MC16-1438 Flared Line Set Kit for 9K Mini Split - MC16-1438MRCOOL 16FT 1 4" x 3 8" MC16 1438 Flared Line Set Kit for 9K Mini Split MC16 1438 MRCOOL refrigerant line set (pair) for mini split systems, liquid line size 1 4 inch O. D. flared ends, suction line size 3 8 inch O. D. flared ends, length 16 feet, insulation thickness of 1 2 inch. For use with air conditioning and refrigeration systems, includes both the liquid line and the suction line. FEATURES: One pair, heavy duty refrigerant lines Flared line