The Solution to Eliminate Odors & Pests From Floor Drains: How to Prevent Drain Flies
Installs Right into the pipe or into the drain housing. Simply push down into floor drain pipe for a quick & easy installation.
Once installed your done! No more maintenance necessary. The one way valve will eliminate pests and overflows from entering your facility. The Green Drain features strong silicon skirts to prevent flood damage and odors. No sewer gas, smells, floods or foul odors
Eliminates all bugs, including Drain flies. Available in Five sizes: 
1.7 Inch, 2 Inch, 3 Inch, 3.5 Inch, 4 Inch
