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calcium hardness increaser raises water hardness level
Rough Air Opening: 6"x 6"
Takes only one space
The generous cooking cavity makes terrific sandwiches and deserts without wasting bread
Fractional Tap, 3/8-In. x 24 Dryer Duct calcium hardness increaser raises water3 8" x24 NF, Carbon Steel, National Fine Thread Fractional Tap Plug, Ideal For Routine Maintenance, Repair Work And For Rethreading Where High Accuracy And Tolerance Thread Is Not Critical, Straight Flutes Are Ground To Provide Rapid Chip Removal For Efficient Threading, Designed For Hand Threading Work In A Variety Of Materials Taps Produce A Class 2B Thread, Use Drill Bit Letter Q or 21 64".