Plumb Pak 1/4 in. OD Plastic Pipe Insert

The Plumb Pak 1/4 in. OD Plastic Pipe Insert provides dependable support for flexible plastic tubing in residential and commercial plumbing applications. Engineered from durable plastic, this insert prevents tubing collapse and ensures a tight, leak-resistant connection when used with standard compression fittings. Ideal for supply line adapters and sink repair projects, this insert package comes complete with a matching ferrule ring for quick and secure installation. Its corrosion-resistant construction delivers long-lasting performance and consistent water flow integrity.