Operating across Ireland, the UK and the wider European market from our European HQ. Green Drain™ silicone seals block sewer gases, drain flies and pathogens — without chemicals, without installation, without maintenance. From Dublin Airport and the Dalata hotel network to Regeneron's biopharma campus and Meta's data infrastructure — Green Flow Ireland keeps Irish facility hygiene at the highest standard.
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 odors. 100% biodegradable formula without harsh chemicals. Premium design, proven results.
100% biodegradable bio-granules for unclogging and cleaning drains. 4× more effective than chemicals (manufacturer's SGS test). Pre-measured packets — no measuring, no contact with chemicals.
Stagnant traps, dry P-traps (the U-bend water seal under each drain), biofilm and pathogen migration aren't a guest problem. They're an operational, compliance and reputational risk that lands on facility managers, technical directors, HSE auditors and procurement teams long before a single guest review mentions it.
Our solutions cover 18 industries — from hospitals and hotels to shipbuilding, food processing plants, and data centers. Wherever hygiene, safety, and odor elimination are a priority.
View all Industries we cover — detailed pages for each sector with product recommendations, EU certifications, and the EU 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 odors 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 odors in urinals.
GreenSwirl™ — bio-enzymatically breaks down clogs and organic waste.
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. 4× more effective than chemicals (SGS). 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 d.o.o. was founded in 2021 in Dublin with the goal of bringing to Europe a technology that has been in North America for decades. a standard in demanding hygienic environments. Working with leading hotels, hospitals, and food giants in Ireland and the United Kingdom, we recognized a clear need for the same standards in the Adria region. After market research and initial projects in 2024, we made the decision — Relocate the HQ to Zagreb and launch a regional expansion.
Green Flow Ireland, registered in Ireland. Exclusive Green Drain™ 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.
Corporate entity established at Savska cesta 41, Zagreb, to streamline EU-wide invoicing under reverse-charge VAT — supporting our growing Irish, UK and continental B2B customer base. Day-to-day operations remain in Dublin.
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.