Frosted 90 Degree Pre-Bent Rigid Acrylic/PMMA Tube from PrimoChill is made from strong frosted acrylic and is designed to withstand high temperatures and than other plastics. Some users prefer Acrylic tubing over PETG for its higher melting point, more stain-resistant properties, superior clarity, and scratch resistance. With PrimoChill tube, you can achieve tight bends without excessive compression fittings or 90-degree angle rotaries. This reduces the time and money you spend searching for a suitable fitting for your build. Measure – Cut – Bend – Install - DONE! FeaturesTrusted/Experienced Brand. PrimoChillFrosted Perfection for diffused viewingHigh Melting PointThicker Wall for Safer OperationSpecifications Inner Diameter: 12mm Outer Diameter: 16mm Wall Thickness: 2mm Length: 200mm / 500mm Pack Size:4 Compatibility Fittings:16mm OD Rigid Compression Parts Included 4 Pieces of Frosted 90 Degree Pre-Bent Acrylic/PMMA tube 200mm x 500mm Warnings With the use of different components, materials, fluids, and flow rates, results may vary with the appearance of your tubing. Rigid Acrylic Tube is designed to work with many cooling components; however, using alcohol, Ethylene Glycol, and other harmful chemicals is strictly prohibited and will void your warranty. Not responsible for any damage caused by or when using this product. Please use at your own risk. Installation PLEASE NOTE: When using a bending insert with rigid tubing, remember it is meant to have a tight fit. If it is loose, the rigid tube will collapse, kink, and form air pockets and flat spots when heated. The tighter the fit, the better the result. This process requires patience but will become easier the more you practice.The bending insert requires stretching and lubricating in the rigid tube. The steps to success are below: 1. Stretch the bending insert. Remove any excess that isn't stretched. 2. Ream the rigid tube with an RFB for best results (or a hand reamer if that's all you have). This will