Mix Box 20"x4.5'' Water Filter System Set Compatible with Big Blue(4PCs)

Protects Appliances: Safeguards your water heater, dishwasher, washing machine, and plumbing fixtures from sediment buildup.

Keep every drop of your household water pure and refreshing with the 20''x4.5'' Replacement Filter Set. Engineered for standard 20-inch slimline filter housings (4.5" diameter), this premium set combines two high-performance cartridges - two sediment filter, and two carbon block filter - to target a full spectrum of contaminants.

Each layer has a specific job.

The 1-micron melt-blown sediment filter, acts as a sturdy barrier against visible particles like dirt, rust, and sand. It traps large volumes of debris without clogging quickly, so you get consistent flow and fewer mid-cycle changes.

The carbon block filter. Made from finely ground activated carbon compressed into a solid block, this dense filter polishes what the GAC started. It captures any remaining fine particles and provides extra chlorine reduction, ensuring your water tastes clean, bright, and free of any aftertaste.

So why do we sell them as a pair? Simple - these are the two that do the heavy lifting and, honestly, the ones you'll be swapping out most often. The PP catches dirt, rust, and grit; the carbon takes care of chlorine and funky tastes. Over time, they clog up or get exhausted way faster than the other stages in your system.

We figured, since you're already opening the housing to change one, you might as well do the other at the same time. Saves you from having to shut off the water twice, and you won't forget which one is due next. That's why we bundle them - not to upsell, just because it makes practical sense.

If you've been replacing just the sediment and letting the carbon run too long, your water probably isn't tasting as good as it could. Swap both regularly, and your whole system stays happy.

Installation & Maintenance - All filters are standard size (20" long, 4.5" outer diameter) and fit most popular 3-stage housings. Replacement is a straightforward DIY task - no need to call a professional. For optimal performance, change the entire set every 3 to 6 months. Heavier sediment or high chlorine levels may require more frequent changes. Regular replacement not only gives you better water but also protects your housing and any downstream equipment from premature wear.

Upgrade your water quality today with this complete, hassle-free filter set - reliable, affordable, and ready to install in minutes.Standalone use or integrate with other water treatment systems.

Colors: White

Materials: PET,PP Cotton, Sintered Carbon

Compatible with (20inx4.5in) Filter Housings / Systems

Premium Sediment Size: 20 inch (508mm) x 4.5" (110mm)

Carbon Block Filters Size: 20 inch (508mm) x 4.5" (110mm)

Filter Life: 3-6 months (depending on water quality and usage)

Package Dimensions: 52cm x 24cm x 24cm (20.47in x 9.45in x 9.45in)

Weight: 7.4kg (16.31lbs)

Notes:

Compatible with Big Blue (4.5 inch) Filter Housings / Systems.

Filter Life: 3-6 months (depending on water quality and usage).

Please allow for slight color variations due to lighting and screen settings.

Please allow for slight dimensional variations due to manual measurement.

What's in the box
2 x 1 Micron Sediment Filter 20 inch Compatible with BigBlue
2 x Carbon Block 20 inch Compatible with Big Blue
1 x Box