We manufacture a complete line of 4 1/2" diameter cartridges for both 10" and 20" Big-Blue filter housings. Harmsco Big-Blue cartridges are made with our proprietary blend of Polyester-Plus filter media; they are thermally bonded for added strength; cleanable and reusable in most applications; individually shrink wrapped; and available in 1, 5, 20 and 50 nominal micron ratings.
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Item #

Item Name

Length

Inside Diameter

Outside Diameter

Micron Rating

Maximum Flow Rates For 10"

Price

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N/A Big-Blue Cartridges N/A 9 3/4 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 1 micron N/A 15 GPM $23.87 Add To Cart
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N/A Big-Blue Cartridges N/A 9 3/4 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 5 micron N/A 15 GPM $22.50 Add To Cart
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N/A Big-Blue Cartridges N/A 9 3/4 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 20 micron N/A 15 GPM $21.03 Add To Cart
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N/A Big-Blue Cartridges N/A 9 3/4 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 50 micron N/A 15 GPM $21.03 Add To Cart
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N/A Big-Blue Cartridges N/A 20 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 1 micron N/A 15 GPM $42.33 Add To Cart
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N/A Big-Blue Cartridges N/A 20 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 5 micron N/A 15 GPM $36.28 Add To Cart
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N/A Big-Blue Cartridges N/A 20 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 20 micron N/A 15 GPM $36.28 Add To Cart
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N/A Big-Blue Cartridges N/A 20 inches N/A 1 1/16 inches N/A 4 1/2 inches N/A 50 micron N/A 15 GPM $36.28 Add To Cart
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