Harmsco BetterFilter Replacement Cartridge - 6 Sq Ft (PH6)

Harmsco BetterFilter Replacement Cartridge - 6 Sq Ft (PH6)

Marsoni

M251S

$21.40

Get it in 3 business days with 1 day shipping. Friday, May 29

Harmsco BetterFilter Replacement Cartridge - 6 Sq Ft (PH6)Replacement filter cartridge for Harmsco BetterFilter swimming pool filter systems. Compatible Filter Systems Harmsco BetterFilter (BF96, BF108, BF144) Specifications Type Filter Cartridge Filtration Area 6 sq ft Outside Top (OT) 1 1 16" Outside Bottom (OB) 1 1 16" Diameter 2 3 4" Length 9 3 4" Media Weight 4 oz MPN PH6 Brand Compatibility Harmsco Cross References 46125, 4902 131, UNI 60 5258

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I have been boating my whole life, this is by far the best gear oil. I use this in my Johnson 115 even though this is technically made by Mercury. I seem to get less if any water intrusion into my gearcase with this oil. If there is any, the oil emulsifies the water and continues to protect the gears. I have had better luck with this than Pennzoil marine or others. Highly recommend. It is a blue color and easy to drain and fill.

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Reviewed in the United States on March 23, 2026

Verified Purchase

Debra

Charlottesville, US

★★★★★ 5

Great

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

Great lube for the boat

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Reviewed in the United States on May 19, 2026

Verified Purchase

Joshua Murray

Fort Morgan, US

★★★★★ 5

recommend

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

great price

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Reviewed in the United States on May 22, 2026

Verified Purchase

Christopher C.

Carnegie, US

★★★★★ 4

Does not come with a pump.

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)

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Reviewed in the United States on October 28, 2025

Verified Purchase

Joe H.

San Leandro, US

★★★★★ 5

Works fine in outdrive

Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube

Good gear oil. Purple dye for leak detection

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Reviewed in the United States on April 2, 2026