Inspection Ports - Polypropylene ABS Inspection Port Nairn White/Clear 130mm 174018 Moulded nylon construction with screw in centres, weatherproofing 'O' ring seal and wide caulking flange. Available in three sizes with a choice of black or white with solid or clear centres. Some models are available complete with a storage bag ideal for wallets, keys and similar. [table id=800 Accessories 174070 'O' ring seal 102mm 174074 White lid only 102mm suit 174004 174076 Black lid only 102mm suit 174006 174078 Clear lid only 102mm suit 174008/10 174080 'O' ring seal 130mm 174082 White lid only 130mm suit 174014/21 174084 Black lid only 130mm suit 174016/22 174090 'O' ring seal 152mm 174094 White lid only 152mm suit 174024/32 174096 Black lid only 152mm * These models supplied with storage bag