Gastite 1/2X12STUB-10 - 1/2" X 12" Straight StubAll Stubs create a fixed point "stub-out" on a wall or floor surface for meter and appliance attachment. Angle Stub-Out mounting plate provided at a 72 1/2 degree angle to facilitate mounting to angled side of most fireplace inserts.Features and Benefits: Reduces the number of joints in the system where contractors typically fabricate "stub-outs" from rigid pipe nipples, elbows and couplings. Provides a fixed-point termination for installations where the appliances are not yet installed. Creates a more polished look to the overall installation