Straight Paper Caps for masking are environmentally friendly and economical. Made of recyclable paper, the closures withstand up to 400 ºF (204 ºC), making them ideal for low-to-high temperature applications. Straight Paper Caps may have minor dimensional variation due to the effect of changes in relative humidity around the material

Manufactured in tan paper, these masking caps are sized to fit 1/8 thru 1-1/2 flared tube fittings or 5/16 thru 1-7/8 tube O's.