Universal plugs are used for temporarily plugging standard sizes of ducts, bell-ends and terminators from 2" to 6" in diameter. Features include…..

• taper that makes insertion easy and tightness sure.
• angular rings that increase body strength and aid in tight seal.
• special plastic compound retains rigid softness over wide temperature range.
• extended lip for easier removal
• special tab extension on all sizes, with hole to receive a rope in preparation for pulling cable at a later date.