Harmsco® 931-20 29-1/4" Premium Pleated Filter 20 mic 50 you must purchase the alarm

you must purchase the alarm #36001021 along with this control module #44302303

For S40Q units

but also protects the tank from years of wear and tear

Bowser: BP310-W

making maintenance easy and fast

Harmsco® 931-20 29-1/4" Premium Pleated Filter 20 mic 50 you must purchase the alarmThe Harmsco 931 Series are highly efficient filter cartridges made of pleated Polyester Plus filter media for low pressure drop, high flow capability, increased contaminant removal, long filter runs, reusability, and the lowest cost per gallon filtered. Features: Pleated design with up to 50% more surface area than competitive filters resulting in superior performance and increased contaminant removal Longer filtration runs for fewer change outs and