Green Flow offers three proven solutions for drain protection, odour elimination, and hygiene safety — no dangerous chemicals, no costly interventions, no compromises.
Complete hygienic protection for your facility's drainage system.
Patented silicone seal with one-way valve. >99.9% blockage of viral aerosols (SGS). Available in 11 sizes from 1.25″ to 6″ — fits every drain. 30-second installation, maintenance-free, silicone membrane.
Bio-enzymatic urinal tablets that eliminate urinal scale, biofilm, and odours. 100% biodegradable formula without harsh chemicals. Well made, and it works.
Mineral granules for unclogging and cleaning drains, free of caustic soda. up to 4× more effective than traditional drain openers (manufacturer's laboratory testing). Pre-measured packets — no measuring, no contact with chemicals.
The floor drains, urinals, and sewer system of your facility are directly connected to the sewer. Pathogens, gases, pests, and odours travel without barriers — every day.
Our solutions cover 18 industries — from hospitals and hotels to shipbuilding, food plants and data centres. Anywhere hygiene, safety and odour control matter.
View all Industries we cover — detailed pages for each sector with product recommendations, EU certifications, and the HR regulatory framework.
From Dublin to Dubrovnik — hotel groups, hospitals and food giants that don't compromise on hygiene.
After installing the Green Drain™ seal, the problem with unpleasant odours in rooms and public restrooms disappeared within minutes.
Green Drain™ physically blocks pathogens, gases, and pests from drains.
GD Uri-Tabs™ — eliminates urinary scale and odours in urinals.
GreenSwirl™ — sodium bisulfate granules that clear blockages without caustic soda and without attacking the pipe.
Complete drain system protection from a single representative.
Mechanical barrier instead of chemical treatment. Bio-enzymatic degradation instead of chlorides and acids. All three of our solutions are safe for staff, guests, and the environment — no toxic residues, no CO₂ footprint.
Eco-friendly · 100% biodegradable · 0 hazardous chemicalsSGS >99.9% aerosol blockage. 14 international certifications. 58 peer-reviewed studies. up to 4× more effective than traditional drain openers (manufacturer's laboratory testing). Independently verified results — not a marketing claim.
SGS · HACCP · NSF · CE · cUPC · ASSEFree technical audit at your facility. We identify critical points and leave samples for 7 days. You evaluate the results under real-world conditions. No cost. No obligation to purchase.
Free audit · 7-day trial · No obligationGreen Flow started in Dublin in 2021 as a Green Drain™ distributorship, with the goal of bringing to Europe a technology that has been in North America for decades. standard in demanding hygiene environments. Working with hotel groups, hospitals and food producers in Ireland and the UK showed us the same gap existed across continental Europe. After market research and first projects on the Adriatic in 2024, we moved the corporate base to Zagreb and kept Ireland as our centre for capital projects.
Green Flow starts in Dublin as a Green Drain™ distributorship, trading through an Irish company. Exclusive distribution agreements secured.
Dublin Airport, Dalata Hotel Group, Kerrygold, Regeneron, Moy Park, University Hospital Limerick, NATO base in Romania. Expansion of operations beyond the local market.
A clear need was identified in the region. The first successful projects on the Adriatic were completed. A decision was made to relocate the headquarters and launch a regional expansion.
Opening of the office at Savska cesta 41. Portfolio expanded with clients Amadria Park, Aminess, Liburnia Riviera, Adriatic Luxury Hotels, KBC Osijek, and KBC Sveti Duh.
Launch of two new products on the EU market. A complete drain protection portfolio without the use of hazardous chemicals. Revenue target of €1 million.
Regional expansion into new markets. We are seeking local distribution partners.
We come to your site, audit your facility, and leave samples for seven days. You evaluate the results under real-world conditions. No cost. No obligation to purchase.
Email, phone, or contact form. We respond on the same business day.
We audit the facility and identify critical points. Duration: 1–2 hours.
7-day free trial. No pressure. No purchase required.