Description
Inexpensive, low cost Nylon Expansion Plugs are ideal for pipework leak testing of drains, pools, spas and purging. Nylon construction and natural rubber rings are resistant to many chemicals and sea water corrosion. These versatile plugs come 3/4″ – 4″ (12 – 115mm) sizes and have a hollow shaft with screw cap for sealing or venting. Available individually or as 3/4″ – 4″ kit.