Quick view AY McDonald AY McDonald 2" CTS Insert Stiffener (Stainless Steel) Compare $4.06 Used to stiffen CTS Polyethylene tubing when using with AY McDonald Water Service Compression fittings 300 Series Stainless Steel AY McDonald 6133T Stiffener Data Sheet Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List