Rainwater Harvesting Systems
Efficient Rainwater Collection & Filtration Solutions
grainDownpipe Filters
grainVortex Filters
grainHigh-Efficiency Rain Filters
verified
Best for Homes, Apartments, Commercial Buildings & Industrial Campuses
Available Brands & Models:
Rainy — Domestic Rainwater Filters
- grainFL 80
- grainFL 150
- grainFL 250
- grainFL 300
- grainFL 500
Maelstrom — Advanced Rainwater Filters
- grainBlue Mountain Maelstrom Filter
Wisy — Premium Vortex Filters
- grainDownpipe Vortex Filter
- grainWFF 100
- grainWFF 150




