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United 988 GASMASTER Block

H2S Inhibitor Block
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Product Details:

United 988 GASMASTER is a two-pound block that inhibits the production of H2S gas in collection systems. GASMASTER provides a truly low-maintenance approach to odor and H2S reduction in lift stations, manholes, mains and sumps. Simply drop it in and replace it with a new one when the block is spent. The innovative Inter-Core Technology combines the staying power of proven block technology with the instant concentrated dosage of a granular active.


Appearance: Blue solid cake with neutral scent
Dilution rate: Ready-to-use
pH: Not applicable
Health:0 Flammability:0 Physical Hazard:0
Duration: 2lb. block lasts 60 to 180 days
Capacity: 1 block for every 350 gallons


Controls Hydrogen Sulfide (H2S) gas and odors in municipal and industrial collection systems.