The DiversiTech® D410K0500B6 non-flared tear resistant line set is designed for air conditioning and refrigeration systems. Size is 1/2 in. insulation wall, 5/8 in. suction line, and 1/4 in. liquid line. A durable flexible polymeric jacket minimizes insulation damage and easily conforms to bends. An expanded closed-cell structure and unique formulation resists moisture vapor intrusion and UV damage.