The Evolution X Liner from Conewango Products features a patented barrel with a combination of thick and thin side walls that allow for fast milking at some of the lowest accepted vacuum levels in the industry.

During milking, thin inner wall sections collapse first, causing the barrel to assume a unique oval shape. Outer walls resist collapse, permitting air to continue feeding the Evolution X vacuum chamber during pulsation. This two-stage collapse allows for fast milking at very low vacuum levels, with virtually no slip.

Evolution X entails a twist-resistant build from top to bottom with a scalloped skirt extension, locking wedges and double hackle to seal out dirt and debris. It also fits perfectly into stainless-steel 06 style shells.