T cells and B cells differ in the form of the antigen they recognize, and this affects which antigens they can detect. B cells bind to antigen on invaders that are found in circulation outside the cells of the body, while T cells detect only invaders that have somehow entered the cells of the body.
ABS, DWV, Solid or Cell Core sewer pipe. The solid pipe is composed of ABS at 99% while the cell core is composed of a cellular foam between 2 layers of ABS which makes the cell core pipe lighter.
Pipe insulation from Grainger can help save energy and energy costs by reducing heat loss from hot water pipes. Shop here and find a variety of sizes and types of pipe insulations. Choose from fiberglass pipe insulation wrap, pre-slit foam pipe insulation, pre-slit semi-seal and more. Also get pipe fitting insulation here for elbow and tee pipe fittings. Trust Grainger for durable pipe insulation and all your HVACR supplies!