Relton (S-34) Replacement 1" Shank - Finish Hole Saw 20 inch x 4.5 inch Big Blue Filters2057 Calculate replacement needs based on

Calculate replacement needs based on 750 grain total capacity and your water hardness level (grains per gallon)

Works exclusively with Omnipure Q-Series heads

Lab-Grade Chemistry

and any commercial or residential application where hard water causes scaling or corrosion

🔧 Pro tip: If your disposal doesn't have a dishwasher inlet or you want to avoid disposal connections entirely

Relton (S-34) Replacement 1" Shank - Finish Hole Saw 20 inch x 4.5 inch Big Blue Filters2057 Calculate replacement needs based onRelton Professional Drill Accessories Relton S 34 Replacement 1" Shank for Finish Hole Saws Heavy duty replacement shank designed for precision drilling in water treatment installations 1" Professional Grade Shank Direct Fit for Relton Finish Hole Saws Durable Construction The Relton S 34 replacement shank restores full functionality to your finish hole saw system. Built to the same specifications as original equipment, this 1 inch shank provides