BC42X12--CAP TUBE .042 ID X 12 FT

Supco BC42X12 BC Series Bullet Restricto Capillary Tubing .042"ID x .093"OD x 12 Foot Roll Can replace capillary tubes in domestic or commercial refrigerators or air conditioners. Features:Precision bore, .001"Covers thousands of applications12 foot coil.042"ID x .093"ODCapillary tubing or capillary tubes are very thin tubes made of a rigid material, such as copper, plastic or glass in which a liquid flows up into the tubes against gravity in a process called capillary action (capillarity). Capillarity is the movement of a liquid in a small cross sectional capillary passage tube such as the openings in porous materials.