The WAW-P Clip is a versatile polypropylene fastener. This clip may be used for ceiling or wall mount applications, as well as all corners. The fastener is a clip which wraps around the detector and is available in either nylon (WAW-N) or polypropylene (WAW-P) material depending upon the installation environment. The installation temperature range for the WAW Series fasteners is -40°F (40°C) to 190°F (88°C).