Series I miniature welded fittings feature a compact design, with available sizes ranging from 1/8" to 1/2" and 6 mm to 12 mm.The fittings are offered in straight, elbow, tee, and cross configurations, and are available in three grades: General Purpose (GP), High Purity (HP), and Ultra-High Purity (UHP), to meet a wide range of application requirements.