Watts
Watts (IL-20K) Premier Filter - 20,000 Gallon Inline Ice Maker Water Filter - Part # 500318
$140.61
The Watts IL-20K Premier inline water filter delivers 20,000 gallons of certified filtration capacity in a compact, direct-connect design ideal for ice makers, refrigerators, and point-of-use applications. WQA certified for chlorine taste and odor reduction with bacteriostatic media for extended filter life and scale control.
SPECIFICATIONS
Watts IL-20K Filter Performance
Capacity
20,000 Gallons
WQA certified capacity
Part Number
500318
Watts IL-20K
Filtration Media
Carbon Block
Bacteriostatic properties
Certification
WQA
Chlorine, taste, odor
Installation
Inline
Quick-connect fittings
Reduces
Scale Buildup
Improves water clarity
TECHNICAL DETAILS
Filter Specifications
| Model Number | Watts IL-20K (Part # 500318) |
| Filter Type | Inline carbon block with bacteriostatic media |
| Rated Capacity | 20,000 gallons (WQA certified) |
| Contaminant Reduction | Chlorine taste and odor, scale, sediment |
| Connection Type | Quick-connect inline fittings (1/4" compatible) |
| Certifications | WQA certified for chlorine reduction and bacteriostatic properties |
| Manufacturer | Watts (130+ years industry experience) |
COMPATIBILITY & APPLICATIONS
Where to Use This Filter
The Watts IL-20K inline filter is designed for direct installation into existing water lines serving refrigerator ice makers and water dispensers, standalone ice machines, RV and marine freshwater systems, water coolers, commercial coffee makers, and drinking fountains. The quick-connect adapters allow for tool-free installation in most 1/4-inch plumbing configurations without cutting or soldering. This filter works in any application requiring chlorine taste and odor reduction with scale control, and the bacteriostatic media prevents bacterial growth inside the filter during extended periods between use. Suitable for residential, commercial, and mobile applications where space is limited and high-capacity filtration is needed.
💧 Pro Tip: With 20,000 gallons of certified capacity, the IL-20K can last 2-3 years in typical household refrigerator use. Watts includes full technical support for installation questions, and the quick-connect design means you can replace it yourself in under five minutes without tools or plumbing experience.
