The HUM Water In/Out Valve Calcite Filter 1 Cubic Foot is a simple and effective whole-home acid neutralizing system designed to help raise the pH of acidic water and reduce the corrosive effects low-pH water can have on plumbing, fixtures, and appliances. Using natural calcite media, this low-maintenance system helps stabilize water chemistry while operating without electricity or a drain connection, making it an ideal solution for residential well water applications. Key Features • Helps neutralize acidic water and raise pH• 1.0 cubic foot of calcite media• Helps reduce corrosive water conditions• Protects plumbing fixtures and appliances• No electricity required• No drain connection required• Simple in/out valve design• Low-maintenance whole-home filtration system Helps Protect Plumbing & Fixtures Acidic water can contribute to: • Pipe corrosion• Blue-green staining• Metallic taste• Pinhole leaks• Premature appliance and fixture wear This calcite neutralizing filter helps raise water pH naturally to reduce corrosive effects throughout the home. Natural Calcite Neutralization The calcite media slowly dissolves into the water supply to help balance water chemistry and stabilize pH levels without chemicals or complicated controls. Simple Non-Electric Operation This system operates passively using normal household water flow and does not require: • Electrical power• Drain connections• Electronic controls This helps simplify installation and reduce maintenance requirements. Ideal Applications • Residential well water systems• Homes with acidic water conditions• Pretreatment before additional filtration equipment• Plumbing protection applications Specifications • Product Number: WD CFN10• System Type: Whole House Acid Neutralizing Filter• Media Volume: 1.0 Cubic Foot• Media Type: Calcite• Application: Raising pH of acidic water• Power Requirement: None• Drain Connection Required: No