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Industry Leading Warranty
20" x 4.5"
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WaterMark Triple Whole House Hard Water Treatment System 20" x 4.5" (GT1-108-OSP)$895.00- WaterMark Certified Triple Big Blue Filter
- Standard Size 20" x 4.5" System
- Treats Hardness and Limescale up to 1300 mg/L
- Reduces Heavy Metals
- No Electricity, No Salt, No Regeneration Required
- Up to 15L/Min Operating Flow Rate*
