Osmile Professional Soaker Hose 1" x 100 ft 100' Length x 1" Outside Diameter The toughest soaker hose made!Professional grade soaker hose with an amazing 1 outside diameter and a 0.21 thickness, the competition cant come close. NOTE: The hose may need to have air removed or be "burped." Open the hose end and attach your water source at the one end. Run water through the hose until it starts running out of the open end, then close that end up at that point.