Most Popular

⭐ BEST SELLERS

Our most popular products — chosen by thousands of customers. From shower filters and replacement cartridges to specialty fluoride and arsenic systems. All genuine Crystal Quest® products at Aquapella pricing.

⭐ Best Seller Bath Ball Filter White
Shower & Bath
Bath Ball® Filter — White
Multi-stage bath filter hangs in your tub to reduce chlorine, heavy metals, and contaminants from bath water. Reduces chlorine and water-soluble metals. BPA-free. Fits any standard bathtub.
Chlorine RemovalHeavy MetalsBPA-FreeTub Filter
⭐ Best Seller Bath Ball Filter Chrome
Shower & Bath
Bath Ball® Filter — Chrome
Same multi-stage Bath Ball® filtration in a premium chrome finish. Reduces chlorine, arsenic, lead, chromium, and cadmium from bath water. Elegant design fits any bathroom.
Chlorine RemovalHeavy MetalsChrome FinishTub Filter
⭐ Best Seller Shower Filter
Shower & Bath
Shower Filter
Inline shower filter reduces chlorine, chloramines, heavy metals, and sediment from shower water. Reduces skin dryness, frizzy hair, and irritation caused by chlorinated water. Easy twist-on installation.
Chlorine RemovalChloramineHeavy MetalsEasy Install
⭐ Best Seller Handheld Shower Filter White
Shower & Bath
Handheld Shower Filter — White
Handheld shower head with built-in multi-stage filtration. Reduces chlorine, chloramines, heavy metals, and sediment. Three spray settings. White finish. Includes mounting bracket.
Handheld3 Spray SettingsChlorineHeavy Metals
⭐ Best Seller Handheld Shower Filter Chrome
Shower & Bath
Handheld Shower Filter — Chrome
Same multi-stage handheld shower filter in a premium chrome finish. Reduces chlorine, chloramines, heavy metals, and sediment. Three spray settings. Includes mounting bracket.
Chrome Finish3 Spray SettingsChlorineHeavy Metals
⭐ Best Seller 2-in-1 Shower Filter Bundle White
Shower & Bath
2-in-1 Handheld + Shower Head Combo Filter — White
Complete shower filtration bundle: handheld filtered shower head plus standard filtered shower head. Both reduce chlorine, chloramines, and heavy metals. White finish. Diverter valve included.
2-in-1 BundleHandheld + ShowerheadChlorineDiverter Valve
⭐ Best Seller 2-in-1 Shower Filter Bundle Chrome
Shower & Bath
2-in-1 Handheld + Shower Head Combo Filter — Chrome
Chrome 2-in-1 filtered shower bundle. Handheld and fixed showerhead both with multi-stage filtration. Reduces chlorine, heavy metals, and sediment. Premium chrome finish.
2-in-1 BundleChromeHandheld + ShowerheadChlorine
⭐ Best Seller Water Pitcher Clear SMART
Water Pitcher
Water Pitcher Filter System — Clear / Standard SMART
Crystal Quest® 4-stage water filter pitcher. Removes chlorine, lead, heavy metals, VOCs, and more. 2,000-gallon (6–12 month) filter life. BPA-free. Fits standard refrigerator door shelf.
ClearStandard SMART4-Stage2,000 Gal Life
⭐ Best Seller Water Pitcher Black SMART
Water Pitcher
Water Pitcher Filter System — Black / Standard SMART
Same 4-stage Crystal Quest® filtration in a sleek black pitcher. Chlorine, lead, heavy metals, and VOC removal. 2,000-gallon filter life. Slim refrigerator-door design.
BlackStandard SMART4-Stage2,000 Gal Life
⭐ Best Seller Coconut Carbon Block 10-inch
Replacement Cartridge
Coconut-Shell 5-Micron Carbon Block Cartridge — 10"
NSF-certified 5-micron coconut-shell carbon block reduces chlorine, VOCs, taste, and odor. 2.5" x 10" standard size fits most countertop and under-sink housings.
5-MicronCoconut ShellChlorine10-inch
⭐ Best Seller Coconut Carbon Block 20-inch
Replacement Cartridge
Coconut-Shell 5-Micron Carbon Block Cartridge — 20"
Extended 20" coconut-shell carbon block for higher-capacity housings. Longer service life and greater chlorine and VOC reduction capacity than 10" equivalent.
5-Micron20-inchCoconut ShellHigh Capacity
⭐ Best Seller SMART Filter Cartridge Standard
Replacement Cartridge
SMART Filter Cartridge — Standard (2-7/8" x 9-3/4")
The original Crystal Quest® SMART multimedia replacement cartridge. Proprietary blend of KDF, GAC, ion exchange resin, and catalytic carbon. Fits all SMART Series housings.
SMART MediaKDF + GACStandard SizeUniversal
⭐ Best Seller Shower Filter Replacement Cartridge
Replacement Cartridge
Shower Filter Replacement Cartridge
Replacement cartridge for Crystal Quest® shower filters. KDF and GAC media blend. Easy twist-off replacement. Replace every 6–12 months or 10,000 gallons.
KDF + GAC6–12 Month LifeEasy ReplaceUniversal
⭐ Best Seller Bath Ball Replacement Cartridge
Replacement Cartridge
Bath Ball® Replacement Cartridge
Genuine Crystal Quest® replacement cartridge for Bath Ball® tub filters. Multi-stage KDF and GAC media. Replace every 6 months. Easy twist-off design.
Bath Ball® FitKDF + GAC6-Month LifeEasy Replace
⭐ Best Seller Pleated Sediment Cartridge 10-inch
Replacement Cartridge
Pleated Cellulose Sediment Cartridge — 10"
Reusable pleated cellulose sediment cartridge captures sand, rust, silt, and particulates. Rinse and reuse. Standard 10" size. Available in 5, 10, 20, and 50 micron.
ReusablePleatedSediment10-inch
⭐ Best Seller UF Ultrafiltration Membrane Cartridge
Replacement Cartridge
Ultrafiltration (UF) Water Filter Membrane
0.01-micron hollow fiber UF membrane removes bacteria, viruses, cysts, and colloidal particles. The most thorough mechanical filtration available. Standard cartridge housing size.
0.01 MicronBacteria RemovalVirus RemovalHollow Fiber
⭐ Best Seller SMART Inline Filter Cartridge
Replacement Cartridge
SMART Inline Filter Cartridge / RO Replacement
SMART multimedia inline cartridge for water coolers, refrigerators, and RO systems. Universal connections. Multi-stage coconut GAC, ERA® media, and catalytic carbon.
Inline FitRO CompatibleCooler FitSMART Media
⭐ Best Seller SMART Calcium GAC Fluoride Cartridge
Specialty Cartridge
SMART + Calcium GAC Fluoride Reduction Cartridge
Two-stage cartridge combining SMART multimedia with calcium-based GAC for fluoride reduction. Reduces fluoride, chlorine, heavy metals, and taste/odor simultaneously.
Fluoride RemovalSMART + GACTwo StageChlorine
⭐ Best Seller Calcium GAC Fluoride Cartridge
Specialty Cartridge
Calcium GAC Fluoride Reduction Filter Cartridge
Dedicated calcium-based GAC cartridge for targeted fluoride reduction. High capacity fluoride removal for under-sink and countertop systems. Standard housing sizes.
Fluoride ReductionCalcium GACHigh CapacityStandard Size
⭐ Best Seller Aluminum Oxide Fluoride Cartridge
Specialty Cartridge
Aluminum Oxide Fluoride Reduction Filter Cartridge
Activated alumina fluoride reduction cartridge. Targets fluoride and arsenic specifically. Standard housing sizes available in 10" and 20". NSF certified media.
Fluoride ReductionArsenicActivated AluminaNSF Certified
⭐ Best Seller Arsenic Removal Cartridge
Specialty Cartridge
Arsenic Removal Filter Cartridge
Specialty iron-based media removes arsenic from drinking water. Targets both Arsenic III and Arsenic V. Achieves EPA MCL of 10 ppb. Standard housing sizes.
Arsenic RemovalAs III & VEPA 10 ppbStandard Size
⭐ Best Seller Alkaline Ionizer Mineralizer Cartridge
Specialty Cartridge
Natural Alkaline Ionizer, Mineralizer & Oxidation Inline Cartridge
Adds beneficial minerals and raises pH of RO-treated or drinking water. Adds calcium, magnesium, and trace minerals. Also provides light oxidation disinfection.
pH EnhancementMineralizingIonizingRO Post-Filter
⭐ Best Seller SMART Fluoride Pitcher Cartridge
Specialty Cartridge
SMART / Fluoride Removal Water Pitcher Cartridge
Specialty replacement cartridge for Crystal Quest® water pitchers with fluoride reduction. Reduces fluoride plus all standard SMART multimedia contaminants.
Pitcher FitFluoride RemovalSMART MediaSpecialty
⭐ Best Seller Standard SMART Pitcher Cartridge
Replacement Cartridge
Standard SMART Water Pitcher Cartridge
Standard replacement cartridge for all Crystal Quest® water pitchers. Four-stage SMART media removes chlorine, lead, heavy metals, and VOCs. 2,000-gallon life.
Pitcher Fit4-Stage SMART2,000 GalChlorine + Lead
⭐ Best Seller Fluoride Under-Sink Single
Under-Sink Filter
Fluoride Under-Sink Filter — Single
Single-cartridge under-sink system targeting fluoride with activated alumina reduction. Dedicated dispensing faucet included. BPA-free polypropylene housing.
Fluoride RemovalSingle CartridgeFaucet IncludedUnder-Sink
⭐ Best Seller Fluoride Under-Sink Double
Under-Sink Filter
Fluoride Under-Sink Filter — Double
Two-stage fluoride under-sink system. SMART pre-filter stage removes chlorine and VOCs before dedicated fluoride reduction stage. Higher capacity and broader coverage.
Fluoride RemovalDouble StageSMART + FluorideUnder-Sink
⭐ Best Seller Fluoride Under-Sink Triple
Under-Sink Filter
Fluoride Under-Sink Filter — Triple
Three-stage fluoride system for maximum performance. Sediment pre-filter, fluoride reduction, and carbon post-filter. Longest cartridge life and most comprehensive coverage.
Triple StageFluoride RemovalSediment + CarbonMax Capacity
⭐ Best Seller Fluoride Countertop Single
Countertop Filter
Fluoride Countertop Filter — Single
Countertop fluoride reduction system — no plumbing required. Connects to your existing faucet with a diverter valve. Reduces fluoride, arsenic, and heavy metals.
No InstallFluoride RemovalFaucet DiverterCountertop
⭐ Best Seller Fluoride Countertop Double
Countertop Filter
Fluoride Countertop Filter — Double
Double countertop fluoride system with SMART pre-filter stage. Removes chlorine and VOCs before targeted fluoride reduction. Higher capacity than single configuration.
No InstallDouble StageFluoride + SMARTCountertop
⭐ Best Seller Fluoride Countertop Triple
Countertop Filter
Fluoride Countertop Filter — Triple
Triple-stage countertop fluoride system. Maximum capacity and broadest contaminant coverage. Sediment, fluoride reduction, and carbon polishing stages.
No InstallTriple StageMax CapacityFluoride
⭐ Best Seller Faucet Mount Chrome 6-Stage
Faucet Mount
Faucet Mount Water Filter System — Chrome (6 Stages)
6-stage faucet-mount filter attaches to any standard-threaded kitchen faucet. Diverter valve switches between filtered and unfiltered flow instantly. Chrome finish.
Chrome6 StagesDiverter ValveStandard Thread
⭐ Best Seller SMART Inline Filter
Inline Filter
Fluoride Removal + SMART Refrigerator / Inline Filter
Inline filter for refrigerators, ice makers, and water dispensers combining fluoride reduction with SMART multimedia. Easy inline installation with push-connect fittings.
InlineFluoride + SMARTRefrigeratorIce Maker
⭐ Best Seller Faucet Mount Filter Cartridge
Replacement Cartridge
Faucet Mount Filter Cartridge
Genuine replacement cartridge for Crystal Quest® faucet-mount water filter systems. Available individually or in packs of 2. Replace every 6 months or 500 gallons.
Faucet Mount Fit6-Month LifeEasy Replace500 Gallon