Advanced Drainage Systems™ N-12® Dual Wall Pipe Cordless Power Tools These pre-filters are approved by

These pre-filters are approved by NIOSH (National Institute for Occupational Safety and Health) under the NIOSH 42 CFR 84 respirator certification regulations

Commonly needed accessories all in one reusable case

Provides excellent corrosion protection under severe conditions caused by salt water and air

Independent alerts for indoor temperature & humidity

• 4 Hole Punched 8” on Center

Advanced Drainage Systems™ N-12® Dual Wall Pipe Cordless Power Tools These pre-filters are approved byThe Dual Wall N 12 pipe, with its smooth interior wall and corrugated exterior, offers exceptional hydraulics and strength. Built using application specific high density polyethylene, Dual Wall N 12 corrugated pipe also provides superior corrosion and abrasion resistance. This makes it an excellent alternative to reinforced concrete (RCP) and corrugated metal pipe (CMP). Overview N 12 pipe is available in soil tight (ST), water tight (WT) and plain