Opening inspection port 5" in diameter. Nairn inspection ports are manufactured to high tolerances using premium materials to provide high strength and durability and a watertight seal even in...

Inspection Port - ABS - White Flush style, economical inspection ports moulded from U.V. stabilised high impact, chemical resistant, ABS (acrylonitrile/ butadiene/styrene). Screw in centres...

Ronstan Inspection Port Opening Cover - White - Multiple Sizes Available White threaded inspection hatch cover. Inspection ports provide access to areas under decks or behind bulkheads...

A range of imported inspection ports from AAA offering great value for money. Manufactured from UV resistant polypropylene material. They are screw-out type and have an O-ring lid seal. Choice of 2...

BLA Inspection Port - Full Cover - White Flush style inspection port with full cover lid. The lid conceals the deck flange and fastenings as well as deflecting water away from the seal and...

White plastic inspection port with a 4" (100mm) opening. These opening ports are useful for sealing off compartments in sailing dinghies and other vessels while still allowing access. This is a...

This inspection port is constructed from durable black plastic. It features a threaded lid with an O-ring for a good seal.  Fastenings not included Part numberDescriptionOverall...

Inspection Port - Polypropylene ABS - White with White Centre Cover Moulded nylon construction with screw in centres, weatherproofing 'O' ring seal and wide caulking flange. Available in three...

Inspection Port - Polypropylene ABS - White Lid Only * Please note, these are special order items and can take 6-8 weeks for delivery. Part NumberSizeTo...