The layer of protection your drains are missing.
Green Drain stops sewer gas, odors, pests, and pathogens at the floor drain. Preventive maintenance that installs in seconds with no tools required.
One product. Every drain size.
Not sure which size you need?
Green Drain fits standard floor drain bodies from 1.25 to 6 inches. Use our sizing guide to find the right model for your building, or contact us for a site assessment.
View Sizing Guide
How It Works
One-way
silicone
valve.
Total
drain
protection.
BLOCKS
- Sewer gas (H2S, methane, ammonia)
- Pests (drain flies, cockroaches, rodents)
- Pathogen and viral aerosols
- Foul odors from the sewer line
ALLOWS
- Full drainage flow (89.8 GPM at 4")
- Cleaning and maintenance access
- Water flow from mopping or spills
- Standard drain servicing
Your building has a contamination vector most people ignore.
Floor drains connect occupied spaces directly to the sewer system. Biofilm, bacteria, viral aerosols, sewer gas, and pests all travel through drain lines. Most buildings have dozens of these open pathways and no plan to manage them.
Trusted across every industry.
From hospitals to hotels, schools to ships. Green Drain protects drains in the most demanding environments.
Healthcare
Infection control at the drain level
Restaurants
Drain fly and odor prevention
K-12 Schools
Summer-proof drain protection
Hotels
Protect the guest experience
Commercial
Eliminate tenant complaints
Industrial
H2S and methane protection
Food Manufacturing
HACCP and NSF certified
Residential
Basement and bathroom drains
13 certifications. 3 US patents. Trusted worldwide.
View All Certifications
What facility teams are saying.
"We installed Green Drain across 14 floors. Odor complaints dropped to zero within the first week. No maintenance callbacks in over a year."
"Green Drains have significantly reduced odor issues in guestrooms, resulting in a noticeable improvement in guest comfort and satisfaction."
"As an infection control measure, this is one of the simplest and most effective interventions we have deployed. The data on aerosol blockage speaks for itself."
Backed by 58 peer-reviewed studies.
Published research on drain-based pathogen transmission, sewer gas exposure risks, and waterless trap seal performance in healthcare and commercial settings.
Explore the ResearchDrain biofilm as a reservoir for antibiotic-resistant organisms in healthcare facilities
Viral aerosol transmission through building plumbing systems during the SARS-CoV-2 pandemic
Hydrogen sulfide concentrations in occupied buildings with depleted floor drain traps
Ready to protect your drains?
Drop-in install. No tools. Works from day one.