ITEM NAME:1pc Acrylic Semicircle 2 Way Flow Meter Indicator Port for PC Water Cooling A#S Product Description Description: Specification: Thread Type: G1/4 Material: Acrylic Surface Process: Polished Sealing: Adhesive Application: PC water cooling system flow indicator Quantity: 1 Included: 1 X Flow Meter.Application: PC water cooling system flow indicator. Material: Acrylic. Surface Process: Polished. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.