(Bag of 10). 3/8" Delrin (POM) compression sleeves are used when installing 3/8" OD plastic tubing in combination with 3/8" OD compression fittings. Compression inserts/stiffeners (sold separately) should be used when installing brass compression fittings with plastic tubing to prevent pipe deformation and leakage. Made in the USA.
|Material:||Delrin, approved for potable water use|