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91 products · prices checked Oct 17, 2026, 6:34 AM ET
💧 Water storage & filters
Water tanks, containers, straws, squeeze filters, gravity systems and replacement elements. Store water first: Ready.gov's baseline is one gallon per person per day for several days. Filters are the backup, and the Water Index ranks them by cost per rated gallon.
Today on this shelf
64 of 91 in stock, from $12.95 to $1,150.00. 6 show a markdown against the brand's own "compare at" price; the Deal Meter checks whether those are real.
Brands: Survivor Filter (32) · Legacy Food Storage (29) · Uncharted Supply Co (14) · Echo-Sigma (5) · Klymit (5) · ReadyWise (3) · Sea to Summit (2) · Prepared Hero (1)
What to look for
- Count gallons: people × days × 1 gallon (water table).
- Check what a filter removes. Tap-water filters and backcountry purifiers are different tools.
- Replacement elements are where long-term filter costs live.
Filters ranked by cost per gallon: Water Index →
All water storage & filters 91
Brand-store buttons go straight to the brand's own page, with no affiliate tag. Rankings are pure math.
Survivor Filter$49.95In stockLegacy Food Storage$40.00In stock$0.35/galUncharted Supply Co$80.00In stock$0.50/gal50 yr shelf life*Legacy Food Storage$271.96In stockReadyWise$165.97In stockUncharted Supply Co$334.98In stock25 yr shelf life*Legacy Food Storage$40.00Sold out$0.14/galSurvivor Filter$50.00Sold out$0.16/galSurvivor Filter$130.00Sold out$0.19/galSurvivor Filter$125.00Sold outSurvivor Filter$275.00Sold outLegacy Food Storage
Survivor Filter PRO Extra Pre-Filter Kit, Compatible with Electric PRO X
$12.95In stockSurvivor FilterSurvivor Filter Straw Carbon Filter Replacement
$14.95In stock$0.06/galLegacy Food StorageReplacement 2" Threaded Tank Cap for 30 Gallon Water Prepared Tank
$14.99In stockSurvivor FilterSurvivor Filter PRO Pre-Filter Replacement, Compatible with Electric PRO X
$16.95In stockSurvivor FilterSurvivor Filter PRO Ultra Filter Replacement, Compatible with Electric PRO X
$16.95In stockSurvivor FilterSurvivor Filter Straw Ultra Filter Replacement
$16.95In stock$0.00/galSurvivor FilterSurvivor Canteens - Collapsible Water Bottles, Canteens 2 Pack of 32oz/67oz Clear/Black
FROM $17.95In stockLegacy Food StorageReplacement Bulkhead Fitting for Water Tanks (2 pack)
$19.99In stockEcho-Sigma2.5 Liter Hydration Bladder
$19.99In stockUncharted Supply CoPuribag Filter Replacement Pack
$21.99In stockUncharted Supply CoPuribag Micro - Mini membrane water filter
$22.99In stock$0.02/galLegacy Food StorageReplacement Food Grade Quarter Turn Ball Valve Spigot
$24.99In stockEcho-SigmaLifeStraw Peak Series Straw
$25.99In stock$0.03/galUncharted Supply Co48oz Stainless Steel Water Bottle
$29.00In stockSea to SummitWatercell X - Past Season
FROM $29.97Frontier Pro Ultralight Water Filter - Green Line (GRN-III-50-T)
$29.99In stock$0.60/galLegacy Food StorageCamco Lead and BPA-Free Drinking Water Hose - 25 Feet
$29.99In stockUncharted Supply CoPuribag Pro - Membrane Filter Kit
$29.99In stock$0.02/galEcho-SigmaLifeStraw SIP
$34.95In stock$0.13/galSurvivor FilterReplacement Filter for Active All Terrain and Americana Ultra Light Water Bottle, 2-Pack
$35.00SWIG RIG - WIDE MOUTH
FROM $36.00In stockUncharted Supply CoAir Filtration Mask
$39.00In stockSurvivor FilterSURVIVOR FILTER™ Americana Ultra Light Water Bottle Filtration System
$39.99In stock50 yr shelf life*Echo-SigmaEcho-Sigma Hydration Runner Pack
$39.99In stockUncharted Supply CoPuribag 120L System
$44.99In stock$1.42/galEcho-Sigma18oz Yeti Echo-Sigma Rambler Bottle with Chug Cap
$44.99In stockLegacy Food Storage22 Ounce Sport Berkey Water Filtration Bottle
$46.00In stock50 yr shelf life*Survivor FilterSurvivor Filter Gravity Steel 2.25 Gallon Water Filtration System
FROM $49.95In stockSurvivor FilterSURVIVOR FILTER™ Active All Terrain Filtration Bottle & Carrier System
$49.95Frontier Max Filter System Virus - Red line (RED-IV-120)
$49.99In stock$0.42/galSurvivor FilterPRO Replacement Filter Kit, Compatible with Electric PRO X
$49.99In stockPrepared HeroPrepared Hero™ SafeSip
FROM $49.99In stockUncharted Supply CoPuribag Adventure Bladder: 2 Liter Hydration Bladder with Filter
$54.99In stockSea to SummitWatercell X
FROM $55.95In stockUncharted Supply CoDROP Filter®
$64.99In stockUncharted Supply CoPuribag Pro Portable Water Purification System
$64.99In stock$0.05/galSurvivor FilterSURVIVOR FILTER™ Americana Ultra Light Water Bottle Bundle
$74.99In stock50 yr shelf life*Survivor FilterSURVIVOR FILTER PRO™ Portable Water Filter Pump
$77.95In stock$0.15/galUncharted Supply CoPuribag 120L Water Purification System 2-Pack
$79.99In stockSurvivor FilterSURVIVOR FILTER™ Pure 10K - Replacement Chlorine Filter
$80.00In stock$0.01/galLegacy Food Storage15 Gallon Water Storage Tank w/cap wrench and siphon pump
FROM $89.99In stockUncharted Supply CoPuribag Adventure Pack - [hydration backpack with 2L water bladder and adaptable membrane filter kit]
$99.00In stockUncharted Supply CoPuribag Pro Kit - Portable 4-in-1 Water Filtration System
$99.99In stock$0.08/galSurvivor FilterSURVIVOR FILTER™ Max - Replacement Stage 1 Fluoride Filter
$100.00In stock$0.06/galKlymitGoSpout - 2 Gallon
$144.99In stockReadyWise2 Camo Survival Backpacks + 2 Seychelle Water Filtration Bottles
$149.99Camo Backpack + 2 Water Filter Bottles
$149.99Puribag Monster Bug Out 4-Pack Water Purification System
$159.99In stock$1.26/galLegacy Food StorageSalt Lake City Pickup Only - 30 Gallon Stackable Water Storage Tank w/ Water Treatment
$160.00In stockLegacy Food StorageSalt Lake City Pickup Only - 35 Gallon Utility Water Storage Tank
$180.00In stockSurvivor FilterSURVIVOR FILTER™ Max, 2-Stage Fluoride and Chlorine In-Line Home Filter
$200.00In stock$0.04/galLegacy Food Storage28 Gallon WaterBrick Bundle - Water Treatment included
$220.00In stockLegacy Food Storage35 Gallon Utility Water Storage Tank
$229.99In stockKlymitHydroSpray
$229.99In stockKlymitDayTank - 4 Gallon
$239.99In stockLegacy Food StorageExodus 35 Gallon Water Tank
$250.00In stockReadyWiseMeat & Water Filter Bundle
$299.99Big Berkey Stainless Steel Drip Filter System - 2 Black Berkey Filters (approx. 6000 gal.)
$387.00In stock$0.06/galLegacy Food StorageEmergency Manual Well Pump - 25, 50, or 100 Feet
FROM $399.00In stockKlymitOverlander Tank - 5 Gallon
$399.99In stockLegacy Food StorageRoyal Berkey Stainless Steel Drip Filter System - Includes 2 Black Berkey® Filters (approx. 6000 gal.)
$430.00In stock$0.07/galKlymitWeekender Tank - 8 Gallon
$499.99In stockLegacy Food StorageSalt Lake City Pickup Only - 160 Gallon Emergency Water Storage Tanks with Water Treatment Kit
FROM $500.00In stockLegacy Food StorageQuakeTank 250 Gallon Water Tank
$1,150.00In stockSurvivor FilterSurvivor Filter Straw Cotton Filter Pads Replacement (20 Pack)
$9.95Sold out$0.04/galSurvivor FilterSurvivor Filter PRO Carbon Filter Replacement, Compatible with Electric PRO X
$16.95Sold outLegacy Food StorageAquamira 30-60 Gallon Water Storage Treatment Solution
FROM $19.99Sold outLegacy Food StorageReplacement Vented Tank Cap for Water Prepared Tanks
$24.99Sold outSurvivor FilterSURVIVOR FILTER™ Cleanable Water Filter Straw (Model: L600 UPC Code: 628250537437)
$36.99Straw Replacement Filter Kit
$38.00Sold outLegacy Food Storage5 to 30 Gallon Blue 5 Gallon Water Container Packages - Stackable
FROM $38.99Sold outLegacy Food StorageH2O RES-Q: 55-330 Gallon Water Storage Treatment
$39.99Sold outSurvivor FilterSURVIVOR FILTER SQUEEZE™ Water Filter + 2 Canteens
$41.99Survivor Filter PRO X Manual Backup Kit
$55.99Sold outLegacy Food Storage3 Gallons of Emergency Drinking Water - Guaranteed Bacteria Free - 20 Year Shelf Life
$69.95Sold out20 yr shelf life*Survivor FilterSURVIVOR FILTER™ Max - Replacement Stage 2 All Tap Filter
$80.00Sold out$0.05/galSurvivor FilterSURVIVOR FILTER SQUEEZE™ Bundle Kit
$88.95Sold out$0.34/galSurvivor FilterSURVIVOR FILTER™ PRO X Electric Survival Filter
$99.95SURVIVOR FILTER™ PRO Hydration Extender Kit
$99.95SURVIVOR FILTER™ Pure 10K, Chlorine In-Line Home Filter
$100.00Sold out$0.01/galSurvivor FilterSURVIVOR FILTER™ Ultimate Survival Bug-Out Kit
$159.00Sold outLegacy Food StorageBlack Berkey Replacement Filters for Drip System - 2 or 4 Pack
FROM $166.00Sold outSurvivor FilterPure 10K and Replacement Filter Set
$180.00Sold outSurvivor FilterSURVIVOR FILTER™ Max - Replacement Filters Set
$180.00Sold outLegacy Food Storage30 Gallon Stackable Water Storage Tank w/ Water Treatment
FROM $189.99Sold outLegacy Food StorageSalt Lake City Pickup Only - 55 Gallon Blue Emergency Water Storage Barrel w/water treatment
$240.00Sold outSurvivor FilterSURVIVOR FILTER™ Absolute Emergency Kit
$250.00Exodus 55 Gallon Water Tank
$299.00Sold outLegacy Food Storage55 Gallon Blue Emergency Water Storage Barrel w/water treatment
$299.00Sold outSurvivor FilterMax, 2-Stage Filter + Replacement Filters Set
$380.00Sold outLegacy Food Storage160 Gallon Emergency Water Storage Tanks with Water Treatment Kit
FROM $850.00Sold outPopular on Amazon brands we don't track
These brands aren't in our price data: their store terms forbid automated price checks, or we couldn't check them (why). These are hand-picked Amazon search links, not rankings. We don't show Amazon prices, so check the current price on Amazon.
LifeStraw water filters on Amazon ↗Sawyer water filters on Amazon ↗Grayl purifier bottles on Amazon ↗Seychelle filter bottles on Amazon ↗
Paid links. As an Amazon Associate I earn from qualifying purchases.
* Shelf-life tags are brand claims; see each product page for wording and source.