You should not need to replace the sponge at the base of the HS-72's Machine's pitcher. Just keep it clean, or if it gets soiled, it can be cleaned as you would any sponge. [Note: I clean my sponges in the top rack of the dish washer]. If your sponge gets lost or damaged beyond repair somehow, this is the replacement for it. You cannot operate the HS-72 Machine properly without this sponge, and no other substitute sponge will do.

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Buder HS-72 Hydrogen Water Machine
Now:
$995.00

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HS-72 Hydrogen Generator Replacement Filter
Now:
$79.95

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Long-Handled Soft Sponge Bottle Brush
Now:
$2.95

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SURVIVE! Replacement Filter Set
Now:
$17.95

Gravity Filter - Replacement Filters
Now:
$159.95

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Buder HS-72 Hydrogen Water Machine
Now:
$995.00

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HS-72 Hydrogen Generator Replacement Filter
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$79.95

HX-600 SPE 99.999% Pure Hydrogen
MSRP:
Was:
Now:
$2,950.00 - $3,350.00

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Very Small High-Rich-Extra Glass Cup
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$25.00

HIGH-RICH Parts
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$25.00

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Elita Countertop Replacement Filter
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$149.00

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VitaBath Vitamin C Dechlorination Tablets
Now:
$29.95

John Ellis Water
Now:
$49.00

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9-Plate Vesta H2 Water Ionizer Downpayment (Payplan)
Now:
$995.00