The Watts Premier 105381 RO PURE VOC Carbon Filter is a high-capacity carbon block filter engineered to reduce volatile organic compounds including herbicides, pesticides, TTHMs, and DPBs in RO-Pure Plus systems. This NSF/ANSI 53 certified filter delivers 600 gallons or one year of protection against contaminants that affect approximately 20% of the nation's water supplies.
SPECIFICATIONS
Watts Premier 105381 Technical Details
| Model Number | 105381 (F531411) |
| Filter Type | Carbon Block VOC |
| Capacity | 600 gallons / 12 months |
| Flow Rate | 0.5 GPM (1.89 LPM) |
| Dimensions | 9.875 in × 2 in (11 inch housing) |
| Certification | NSF/ANSI 53 for VOC Reduction |
| Contaminant Reduction | VOCs, herbicides, pesticides, TTHMs, DPBs |
| Housing Size | Proprietary (Watts Premier) |
INSTALLATION & USE
Filter Replacement Procedure
- Shut off water supply to your RO-Pure Plus system and relieve system pressure by opening the dispensing faucet
- Unscrew the filter housing and remove the spent 105381 carbon filter cartridge
- Insert the new Watts Premier VOC carbon filter into the housing, ensuring proper seating and o-ring alignment
- Hand-tighten the housing, restore water supply, and check for leaks before flushing the filter for 5 minutes
COMPATIBILITY
System Requirements
The Watts Premier 105381 (F531411) is designed exclusively for use with Watts Premier RO-Pure Plus reverse osmosis systems equipped with 11 inch proprietary filter housings. This carbon block filter is particularly critical for households with water supplies affected by agricultural runoff, fuel storage contamination, or proximity to dry-cleaning facilities. Filter life may vary based on source water VOC concentration and household water usage patterns.
🔧 Pro Tip: VOCs are often odorless and colorless, making them impossible to detect without testing. If you live in an agricultural area or near gas stations, underground storage tanks, or industrial sites, annual replacement of this filter is essential regardless of taste or odor changes in your water.
