
Bottle & Bottleless Coolers
Lago 4K Series Countertop
The Lago 4K Series 5-Stage RO Dispenser with Mineralization Filter combines cutting-edge technology, powerful filtration, and a modern design.
Pricing
Financing availableTouch Dispense
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Touchless Dispense
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Available Add-ons
- Touch Dispense
- Touchless Dispense
Published pricing; subject to change. Your Finken water specialist confirms the exact quote for your home after a free water test.
- Free in-home water test
- Professional installation & service
- 90-day risk-free guarantee
Product Details
The Lago 4K Series 5-Stage RO Dispenser with Mineralization Filter combines cutting-edge technology, powerful filtration, and a modern design.
Countertop Features
Available in Touch & Touchless Dispense
UV Self-Cleaning Technology
Side-Loading Filters for Easy Access
17.7" Height Fits Under Most Cabinets
Replace Filter & Leak Detection
Highlights
Key Features

Premium Dispensing
Dispense water with a wave of your hand and get faster pours with 2X Fast Dispense.

UV Care
Ultraviolet light self- cleaning technology automatically eliminates potential bacteria and biofilms.
Mineralizing Filter
Increases pH level and reintroduces beneficial minerals promoting healthy refreshment at office or business.
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Lago 5K Series 5-Stage RO Dispenser
The Lago 5K Series 4-Stage Reverse Osmosis Water Dispenser combines advanced technology, powerful filtration, and a modern design.

Lago 4K Series 5-Stage RO Dispenser
The Lago 4K Series 5-Stage RO Dispenser with Mineralization Filter combines cutting-edge technology
Water Treatment FAQs
Do you offer free water testing?
Yes, Finken provides complimentary water testing for Minnesota homeowners. Our water specialists test for hardness, iron, pH levels, and other common contaminants to recommend the right water treatment solution for your home.
Do you repair water softeners?
Yes. Finken diagnoses and repairs most water softener makes and models across central Minnesota — including systems we didn't install. Common fixes include salt bridges, clogged brine lines, stuck valves, and failed regeneration timers.
Is reverse osmosis water safe to drink?
Yes, reverse osmosis (RO) water is very safe. RO systems remove up to 99% of contaminants including lead, chlorine, fluoride, and dissolved solids, producing clean, great-tasting drinking water. Finken installs and services RO systems for Minnesota homes.
What water softener brands does Finken carry?
Finken installs and services high-quality water softeners from leading manufacturers suited to Minnesota's hard water conditions. We offer a range of systems from basic to premium models, and our water treatment experts will test your water and recommend the best softener for your home's specific needs and budget.
How do I know if I need a water softener?
Common signs of hard water include scale buildup on faucets and fixtures, spots on dishes, dry skin and hair, stiff laundry, and reduced appliance efficiency. A free Finken water test will measure your water's hardness and show whether a softener would help.
Get a Quote for the Lago 4K Series Countertop
Tell us what you need — water treatment, delivery, plumbing, heating & cooling, or spas — and a local specialist will get right back to you.
- Free, no-obligation quotes
- Family-owned since 1948
- 8 locations across MN & WI
