Experience Counts!   PSI Specifications in PDF Format Typical Specification - Painted Casing Isolators (Model A) File Size: 28KB Typical Specification - Coated Casing Isolators (Model C) File Size: 28KB Typical Specification - Stainless Steel Casing Isolators (Model S) File Size: 28KB Typical Specification - Ranger II® File Size: 28KB Typical Specification - LineBacker® Top-Of-The-Line File Size: 50KB Typical Specification - LineBacker® General Applications File Size: 50KB Typical Specification - Riser-Wrap™ Encapsulating System File Size: 50KB