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The dual 20" Big Blue filter housing is a convenient and effective way to deploy two 20" Big Blue style filter cartridges
5 psi pressure drop at 1 gpm
These polyester filter screens are intended to be used with a Rusco filter body with 1 1/2" inlet / outlet and are available in a number of different mesh sizes which can be selected using the dropdown menu
This is a 96-pack
Hach 5B Water Hardness Powder Reagent Replacement - 28g (21320H) GAC The dual 20" Big BlueDescription The Hach 21320H is the replacement dry reagent (28g) for your Hach 5B water hardness test kit. Resources Instructions: Hach 5B Water Hardness Test Kit Tech Specs Range: 0 30 Grains per Gallon Resolution: 1 Grain per Gallon Can perform about 100 tests 100mL In the Box dry reagent bottle with 28g of powder
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