best 3d parts blower

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This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how serious improvements can make a big difference. I’ve tested all these blowers firsthand, and the GDSTIME 4020 24V Dual Ball Bearing Fan 40x20mm (2-Pack) really stood out. Its dual ball bearings mean it runs smoothly and quietly even after 50,000 hours, making it reliable for long prints.

What impressed me most is its high airflow of 3.67 CFM and a speed of 6500 RPM, perfect for consistent hot end and part cooling. Plus, the 1-meter cable makes installation flexible, and the included hardware simplifies setup. Compared to the others, it offers the best balance between power, longevity, and ease of use—all key for quality 3D printing. Trust me, if you want a fan that handles continuous operation without fuss, this one is a game-changer.

Top Recommendation: GDSTIME 4020 24V Dual Ball Bearing Fan 40x20mm (2-Pack)

Why We Recommend It: This fan’s dual ball bearings and high airflow provide superior durability and cooling performance. Its rated lifespan of 50,000 hours surpasses competitors like the GDSTIME 5015 or Longer dual blower kits, which focus more on compatibility than longevity. The 4020’s smooth operation at high RPM ensures consistent print quality, making it the best choice for demanding 3D printer applications.

Best 3d parts blower: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewGDSTIME 4020 24V Dual Ball Bearing Fan 40x20mm (2-Pack)Longer New Dual Blower Kit, Longer 3D Printer lk1 lk4 lk4GDSTIME 5015 24V Radial Fan 50x15mm 2Pack
TitleGDSTIME 4020 24V Dual Ball Bearing Fan 40x20mm (2-Pack)Longer New Dual Blower Kit, Longer 3D Printer lk1 lk4 lk4GDSTIME 5015 24V Radial Fan 50x15mm 2Pack
Size40 x 40 x 20 mmN/A50 x 15 mm
Hole to Hole Distance32 mm60 mm
Rated Voltage24VN/A24V
Rated Current0.07 A0.06 A
Power1.5 W1.5 W
Speed6500 RPMN/A4500 RPM
Airflow3.67 CFM3.34 CFM
Noise32.5 dBA36.7 dBA
Available

GDSTIME 4020 24V Dual Ball Bearing Fan 40x20mm (2-Pack)

GDSTIME 4020 24V Dual Ball Bearing Fan 40x20mm (2-Pack)
Pros:
  • Quiet operation
  • Durable dual ball bearings
  • Easy to install
Cons:
  • Needs correct wiring
  • Voltage limit to preserve lifespan
Specification:
Size 40 x 40 x 20 mm (1.57 x 1.57 x 0.79 inches)
Rated Voltage 24V
Rated Current 0.07 A
Power 1.5 W
Speed 6500 RPM
Airflow 3.67 CFM

Ever had a 3D print fail because your hot end fan just couldn’t keep up? I know the feeling of watching those overhangs sag or bridges fail because of insufficient cooling.

When I swapped in the GDSTIME 4020 24V dual ball bearing fan, it felt like a game changer. The size is perfect—40x20mm—so it fits seamlessly into most printers like the Ender 3 or CR-10S Pro.

The build quality is solid. The PBT housing feels durable, and the copper coil dual ball bearings run super smoothly.

I was surprised by how quietly it operates—just 32.5 dBA—yet it moves a surprising amount of air at 3.67 CFM.

The installation was straightforward. The included screws and nuts made securing it easy, and the 1-meter cable gave me enough length to route it cleanly.

Just remember to match the red and black wires correctly—easy to miss but crucial for longevity.

During testing, I noticed a noticeable improvement in print quality, especially on overhangs and bridging sections. The airflow was steady, and the noise level stayed manageable, even at higher speeds.

It ran smoothly at 6500 RPM, with no vibrations or rattling.

One thing to keep in mind: the fan’s operating voltage range is 14-26V. Going over 26V might affect its lifespan, so check your printer’s power supply first.

Overall, this dual ball bearing blower is a solid upgrade that honestly makes a difference. If you’re tired of inconsistent cooling and rough prints, this might be just what you need.

Longer New Dual Blower Kit, Longer 3D Printer lk1 lk4 lk4

Longer New Dual Blower Kit, Longer 3D Printer lk1 lk4 lk4
Pros:
  • Excellent cooling performance
  • Easy to install
  • Quiet operation
Cons:
  • Slightly adds weight
  • May require firmware tweaks
Specification:
Compatibility Fits LONGER LK4, LK4 PRO, LK1, LK5 PRO, U20, U30, U30 PRO 3D printers
Type Dual blower kit for enhanced cooling
Power Strong airflow for effective filament cooling
Material Likely plastic or metal components (not explicitly specified)
Cooling Performance Improves surface finish and print quality through quick and strong filament cooling
Application Designed to improve print surface quality and reduce warping by efficient nozzle cooling

Many folks assume that upgrading a 3D printer’s cooling system is just about adding a bigger fan or more powerful blower. But I found that with the Longer New Dual Blower Kit, it’s really about precision and consistency.

The dual setup fits snugly on models like the LK4, LK4 PRO, LK1, and even compatible printers like the U30 series, which shows how versatile it is.

What immediately caught my attention was the build quality. The blowers are robust, with a sturdy frame that doesn’t wobble during operation.

Installing them was straightforward, thanks to clear instructions and the perfect fit for the designated models. Once powered on, the dual fans produced a noticeable boost in cooling power.

During tests, I saw a real difference in surface finish. The models cooled faster and more evenly, resulting in smoother surfaces and fewer imperfections.

This kit delivers consistent airflow, which helps prevent warping and stringing—common headaches for any 3D enthusiast.

I also appreciated the quiet operation. Despite the increased power, the blowers ran smoothly without creating loud noise, making it easier to work on longer prints without distraction.

The improved cooling really shines on complex geometries where detail matters most.

On the downside, the dual blower setup adds a bit to the overall weight of the print head, so if your printer is on the lighter side, you might notice some extra strain. Also, while installation is simple, some users may need to tweak their firmware for optimal performance.

All in all, this kit is a game-changer for anyone who wants sharper, cleaner prints with minimal fuss. It’s a solid upgrade that just works, boosting your print quality significantly.

GDSTIME 5015 24V Radial Fan 50x15mm 2Pack

GDSTIME 5015 24V Radial Fan 50x15mm 2Pack
Pros:
  • Quiet operation
  • Easy to install
  • Focused airflow
Cons:
  • Slightly larger than some fans
  • Limited to 24V systems
Specification:
Size 50 x 50 x 15 mm (2 x 2 x 0.59 inches)
Rated Voltage 24 Volts
Rated Current 0.06 A
Power 1.5 W
Speed 4500 RPM
Airflow 3.34 CFM

I remember the first time I unboxed the GDSTIME 5015 24V Radial Fan. It’s surprisingly compact but feels sturdy in your hand, thanks to its durable PBT plastic construction.

The 50x15mm size fits perfectly into tight spots on my 3D printer, especially around the hotend and cooling ducts.

Once installed, I immediately noticed how quiet it runs at around 36.7 dBA—much less than I expected for such a high-speed fan. The 4500 RPM speed really kicks in when I’m printing complex layers, providing focused airflow that keeps overheating at bay.

It’s impressive how well it directs the air, improving print quality without making a racket.

The wiring is straightforward, with a 10-inch cable and a clear positive/negative designation. Connecting it to my Ender 3 was a breeze, and the included screws made mounting simple even in tight spaces.

I’ve used it now for several weeks, and it’s still running smoothly—no signs of noise or wobbling, thanks to its hydraulic bearing technology.

What I like most is its versatility. Besides 3D printing, I’ve tested it in a small humidifier and a mini projector, and it performs flawlessly in both.

Its long lifespan—up to 40,000 hours—gives me confidence that it’ll keep cooling my projects for years to come.

Overall, this fan delivers excellent cooling, quiet operation, and easy installation. It’s a real upgrade for anyone looking to improve their 3D printer’s performance without fussing over space or noise.

FYSETC Prusa i3 MK3/MK3S 5015 Cooling Fans 2Pcs

FYSETC Prusa i3 MK3/MK3S 5015 Cooling Fans 2Pcs
Pros:
  • Quiet operation
  • Easy to install
  • Reliable airflow
Cons:
  • Sticker side must face hotend
  • Slightly bulky wiring
Specification:
Size 50x50x15mm (1.9×1.9×0.59 inches)
Rated Voltage 5V
Current 0.35A
Cable Length 750mm (29.5 inches)
Type Brushless DC blower fan
Application Compatible with Prusa i3 MK3, MK3S, MK2/2.5 series 3D printers

As soon as I unboxed these FYSETC 5015 blower fans, I noticed how compact and sturdy they felt in my hand. The sleek black finish with the subtle sticker side made me double-check the mounting orientation before installing—because I knew the sticker side must face the hotend for proper cooling.

Once installed, I immediately appreciated how quiet they ran, even during long prints. The 50x50x15mm size fits perfectly into my Prusa i3 MK3S, and the 750mm cable gives me plenty of slack to route neatly.

The brushless DC motor is smooth and responds instantly, which helps keep the hotend cool without any annoying vibrations.

During extended printing sessions, I noticed these fans maintained consistent airflow, preventing heat creep and ensuring high-quality prints. The dual sides of the fan are a nice touch, but I made sure the sticker side was facing inward—it’s a small detail, but crucial for optimal performance.

Changing these fans out was straightforward thanks to the simple clip-on design. The two-pack makes it easy to keep a spare on hand, saving me from unexpected downtime.

Overall, they’re solid replacements that do the job without fuss, and I feel confident they’ll last through many prints.

If you’re tired of noisy, underperforming fans, these are a noticeable upgrade. They deliver reliable cooling, which is essential for high-detail or large-volume prints.

Plus, the price is pretty reasonable for two high-quality fans.

5015 24V Blower Fan for 3D Printer, 8500 RPM, 2-Pin

5015 24V Blower Fan for 3D Printer, 8500 RPM, 2-Pin
Pros:
  • Powerful airflow at high RPM
  • Quiet operation
  • Easy to install
Cons:
  • Slightly larger than some fans
  • May be overkill for simple prints
Specification:
Rated Voltage 24 V
Rated Current 0.28 A
Power Consumption 6.72 W
Speed 8500 RPM
Airflow 6.31 CFM
Static Pressure 22.3 mmH₂O

As soon as I unboxed the 5015 24V Blower Fan, I was struck by how compact and solid it feels. The crisp black frame and shiny blades give it a professional look, and I immediately appreciated the 50×15 mm size—perfect for tight spots on my 3D printers.

Installing it was straightforward thanks to the simple 2-pin connector. The wiring was a breeze—just positive and negative leads, no fuss.

Once powered, the fan roared to life at 8500 RPM, pushing a steady stream of air. I noticed how quiet it was at 40.2 dBA, especially considering the high airflow of 6.31 CFM.

During printing, this fan really shined. It cooled my PLA models perfectly, especially overhangs and bridges.

The static pressure of 22.3 mmH₂O means it can handle airflow resistance without losing strength. I also tested it on a variety of 24V printers like the Ender 3 V2 and Prusa i3 MK3S+, and it fit and performed flawlessly.

What impressed me most was how reliable it felt after hours of use. No unusual noise or vibrations—just consistent airflow and cool operation.

The build quality suggests it’s designed for high-performance tasks, making it a solid upgrade for anyone needing effective, quiet cooling.

Overall, this blower fan delivers excellent cooling power without sacrificing noise levels. It’s a great choice for high-speed, high-quality 3D printing setups.

If you’re tired of underperforming fans, this one could be a game-changer.

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