Comfit is a unique Hi-Tech coupler for HDPE cable ducts. Leak tested at 230 PSI and resistant to corrosion and most chemicals. Comfit is designed in accordance with the special demands of the leading cable duct companies and contractors. Comfit is excellent for both blowing and pulling methods. Comfit has a compact profile reducing difficulties traditionally encountered in manholes, narrow trenches and plowing machines. Comfits push-fit method ensures fast and simple assembly and disassembly. Push the duct ends into the coupler for a locked and air sealed assembly. No special tools are needed.