Plain End - 510 standard combinations of plain end line sets that differ by liquid line size, suction line sizes insulation and lengths. Insulation is offered in either standard black rubber insulation with wall thickness of 3/8, 1/2, 3/4 or 1 in or EZ-PULL® white polyethylene hard shell insulation with wall thickness of 1/2 or 3/4 in. Plain end line sets are offered with either straight ends or 90 degree bend on one end of the suction line. Plain end line sets are offered in lengths from 10 to 100 ft in 5 foot increments.