Aluminum Manhole Shield

Aluminum Manhole Shield
Item# 3336-12A

Product Description

All Aluminum Fabrication

Weighs 24 LBS

Pneumatic seal keeps ground water from flowing into the open manholes

Just Inflate Tube with 5-10 lbs. of Air or Nitrogen to form a Water-Tight Seal

No Clamps or Sealing Compounds required

Series 2730 (reversible 27" & 30") fits most Communications Manhole Openings

Model 3336 (33" & 36") fits many Electric Utility Manholes

Custom Sizes are available