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Durock™ UltraCap™ – 4.5 – 5.0 quarts (1.0 – 1.25 gallons)

Durock™ Speed™ – 5.0 – 5.5 quarts (1.2 – 1.45 gallons)

Durock™ EcoCap™ – 3.2 – 3.4 quarts (0.8 – 0.85 gallons)