Brands:All Brands TMCRAFT GrowlerWerks NutriChef EdgeStar BrüMate YETI

Updated October 2026 · 64 oz & 128 oz CO2 Growlers · Brewery Fills & Homebrew

Best Pressurized Mini Kegs & CO2 Growler Dispensers (64 oz & 128 oz)

Verdict

A CO2-pressurized mini keg turns any refrigerator shelf or tailgate into a craft draft bar—keeping 4 to 8 pints fresh and carbonated for weeks.

Jump to:Best Overall 1-Gallon Mini Keg & Best Vacuum 64 oz Growler Best 128 oz Vacuum Growler & Compact NutriChef Dispensers Compare table Questions

Our winners at a glance

Best overallTMCRAFT 128 oz Pressurized Mini Keg Dispenser System128 oz Pressurized Mini Keg · Best Overall Mini Keg

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Best vacuum 64 ozGrowlerWerks uKeg 64 Vacuum-Insulated Pressurized Growler64 oz Vacuum Pressurized · Premium Vacuum Keg

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Best premium 128 ozGrowlerWerks uKeg 128 Vacuum-Insulated Half-Gallon+ Growler128 oz Vacuum Pressurized · Flagship Vacuum Keg

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Best compact 64 ozNutriChef 64 oz Pressurized Mini Keg Dispenser (PKBRTP65)64 oz Pressurized Mini Keg · Compact Mini Keg

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Best 1-gal party kitNutriChef 128 oz Pressurized Homebrew Mini Keg (PKBRTP100)128 oz Pressurized Mini Keg · 1-Gallon Draft Kit

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Compare the top picks

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Pick	Best for	Capacity & Format	Wall & Insulation	CO2 / Cooling System	Tap & Hardware Spec	Listing
Best Overall Mini KegTMCRAFTTMCRAFT 128 oz Mini Keg	Best overall	128 oz (1 gal / 8 pints)	Single-wall 304 stainless	16g 3/8"-24 UNF · 0–30 PSI	Stainless spear · 18.5" tall	Check price on Amazon
Premium Vacuum KegGrowlerWerksGrowlerWerks uKeg 64	Best vacuum 64 oz	64 oz (0.5 gal / 4 pints)	Double-wall vacuum 18/8	8g non-threaded · 0–15 PSI	VPR cap · Sight glass · 10.9"	Check price on Amazon
Flagship Vacuum KegGrowlerWerksGrowlerWerks uKeg 128	Best premium 128 oz	128 oz (1 gal / 8 pints)	Double-wall vacuum 18/8	16g non-threaded · 0–15 PSI	VPR cap · Sight tube · 14.6"	Check price on Amazon
Compact Mini KegNutriChefNutriChef 64 oz Mini Keg	Best compact 64 oz	64 oz (0.5 gal / 4 pints)	Single-wall 304 stainless	16g 3/8"-24 UNF · 0–60 PSI	Brass spear + relief valve	Check price on Amazon
1-Gallon Draft KitNutriChefNutriChef 128 oz PKBRTP100	Best 1-gal party kit	128 oz (1 gal / 8 pints)	Single-wall 304 stainless	16g 3/8"-24 UNF · 0–30 PSI	Brass faucet · 18.9" total	Check price on Amazon

Specs as each seller lists them. Prices and availability are shown on Amazon. What the specs mean.

Group 1 · Top 128 oz Fridge Draft & 64 oz Vacuum uKeg

Best Overall 1-Gallon Mini Keg & Best Vacuum 64 oz Growler

Choose TMCRAFT's 128 oz 304 stainless system for fridge chilling and homebrew, or the GrowlerWerks uKeg 64 for vacuum-insulated portability.

TMCRAFT 128 oz Pressurized Mini Keg Dispenser System

Top pick in group#1

TMCRAFTBest Overall Mini KegBest for: Best overall

TMCRAFT 128 oz Pressurized Mini Keg Dispenser System

Our #1 pick for most craft beer fans holds a full 128 oz (1 gallon / 8 pints) in food-grade 304 stainless steel with a 0–30 PSI regulator gauge and upgraded non-drip brass faucet.

Capacity & Format128 oz (1 gal / 8 pints)

Wall & InsulationSingle-wall 304 stainless

CO2 / Cooling System16g 3/8"-24 UNF · 0–30 PSI

Tap & Hardware SpecStainless spear · 18.5" tall

Watch out for: Single-wall body requires refrigerator or cooler chilling, and needs ~18.5" of shelf clearance with tap attached.

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GrowlerWerksPremium Vacuum KegBest for: Best vacuum 64 oz

GrowlerWerks uKeg 64 Vacuum-Insulated Pressurized Growler

Combines double-wall vacuum-insulated stainless steel, a brass sight glass + pressure gauge, and an automatic VPR regulator cap in a fridge-shelf-friendly 10.9-inch height.

Capacity & Format64 oz (0.5 gal / 4 pints)

Wall & InsulationDouble-wall vacuum 18/8

CO2 / Cooling System8g non-threaded · 0–15 PSI

Tap & Hardware SpecVPR cap · Sight glass · 10.9"

Watch out for: Uses 8-gram non-threaded CO2 chargers tucked into the cap sleeve rather than 16g threaded cartridges.

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Group 2 · Flagship 128 oz Vacuum uKeg & NutriChef Kits

Best 128 oz Vacuum Growler & Compact NutriChef Dispensers

Compare the 8-pint GrowlerWerks uKeg 128 against NutriChef's 64 oz and 128 oz single-wall draft systems.

GrowlerWerks uKeg 128 Vacuum-Insulated Half-Gallon+ Growler

Top pick in group#3

GrowlerWerksFlagship Vacuum KegBest for: Best premium 128 oz

GrowlerWerks uKeg 128 Vacuum-Insulated Half-Gallon+ Growler

Doubles the uKeg capacity to a full 128 oz (8 pints) with double-wall vacuum insulation, an integrated pressure gauge, and a tap-lock faucet for group outings.

Capacity & Format128 oz (1 gal / 8 pints)

Wall & InsulationDouble-wall vacuum 18/8

CO2 / Cooling System16g non-threaded · 0–15 PSI

Tap & Hardware SpecVPR cap · Sight tube · 14.6"

Watch out for: Requires 16-gram unthreaded food-grade CO2 cartridges and costs more than single-wall mini kegs.

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NutriChefCompact Mini KegBest for: Best compact 64 oz

NutriChef 64 oz Pressurized Mini Keg Dispenser (PKBRTP65)

Compact 64 oz (4-pint) 304 stainless steel mini keg with a 0–60 PSI gauge regulator and brass pouring faucet—ideal for smaller refrigerators and 4-pint brewery fills.

Capacity & Format64 oz (0.5 gal / 4 pints)

Wall & InsulationSingle-wall 304 stainless

CO2 / Cooling System16g 3/8"-24 UNF · 0–60 PSI

Tap & Hardware SpecBrass spear + relief valve

Watch out for: 16g CO2 cartridges sold separately; single-wall body must be kept inside a fridge or cooler.

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NutriChef1-Gallon Draft KitBest for: Best 1-gal party kit

NutriChef 128 oz Pressurized Homebrew Mini Keg (PKBRTP100)

Full 1-gallon (128 oz) 304 stainless mini keg with a 30 PSI regulator gauge, flexible silicone dip tube, and removable brass tap assembly.

Capacity & Format128 oz (1 gal / 8 pints)

Wall & InsulationSingle-wall 304 stainless

CO2 / Cooling System16g 3/8"-24 UNF · 0–30 PSI

Tap & Hardware SpecBrass faucet · 18.9" total

Watch out for: Tall 18.9-inch assembled height with faucet installed requires removing one fridge shelf.

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64 oz vs. 128 oz Mini Kegs: 4 Checks Before You Buy

Measure your refrigerator shelf clearance and check CO2 cartridge specs first.

01
Measure Vertical Fridge Clearance (10.9" vs. 18.5"+)
The uKeg 64 stands just 10.9 inches tall; top-mounted spear 128 oz kegs stand 18.5 to 19 inches tall with the regulator attached.
02
Match Cartridge Threads: 3/8"-24 Threaded vs. Unthreaded
TMCRAFT and NutriChef use 16g threaded cartridges; GrowlerWerks uKegs use unthreaded 8g (uKeg 64) or 16g (uKeg 128) chargers.
03
Start Dispensing at 5–8 PSI to Prevent Foam
High regulator pressure causes turbulent, foamy pours through short dip tubes.
04
Rinse the Spear & Faucet Warm After Every Fill
Flushing hop resin immediately prevents sticky faucets.

Full buying guide →

Questions

Can I force-carbonate flat homebrew inside a 128 oz mini keg?

Yes. Single-wall 304 stainless mini kegs like the TMCRAFT 128 oz and NutriChef PKBRTP100 can chill and force-carbonate flat beer in 24–48 hours at 12–15 PSI inside a refrigerator.

Will a 128 oz mini keg fit in a standard refrigerator door?

Most 128 oz kegs have a 5.3-inch diameter that fits wide gallon door bins, provided there is 18.5+ inches of vertical clearance above the bin for the faucet and regulator.

Best overall

TMCRAFT 128 oz Pressurized Mini Keg Dispenser System

Our #1 pick for most craft beer fans holds a full 128 oz (1 gallon / 8 pints) in food-grade 304 stainless steel with a 0–30 PSI regulator gauge and upgraded non-drip brass faucet.

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