Best Scuba Tank Refill Compressor in 2025
Updated on August 2025
#1
Recommended
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- Applies to 110V single phase with 10A current and 15A starting current; flow rate of 100L/min (3.5cfm).
- Equipped with four high-pressure cylinders for air compression up to 20-30MPa (200-300 bar, 3000-4500 psi), suitable for large scuba tank filling.
- Delivers high-quality compressed air meeting the EU EN12021 and GB18435-2001 standards for respiratory use in various industries.
- Includes essential components: pump, motor, intake filter, safety valve, and recommended ISO 100/150 grade lubricating oil; food-grade oil suggested for diving applications to ensure cleaner air.
- Versatile use in diving, firefighting, outdoor construction, pipeline welding, scientific research, and laboratory pressure testing, compatible with PCP rifle and paintball tank filling.
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- Applies to 110V single phase with 10A current and 15A starting current; flow rate of 100L/min (3.5cfm).
- Equipped with four high-pressure cylinders for air compression up to 20-30MPa (200-300 bar, 3000-4500 psi), suitable for large scuba tank filling.
- Delivers high-quality compressed air meeting the EU EN12021 and GB18435-2001 standards for respiratory use in various industries.
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#2
Value for Money
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- Equipped with a 110V power supply for compatibility with household outlets; operates at a working pressure of 30MPA/300bar/4500psi with a flow rate of 50L/min and power of 2.2kw; fills a 6.8L tank to 300Bar in approximately 30 minutes.
- Features a built-in two-stage filtration system to ensure air purity; includes an oil and water separator with a safety valve; quick connect/disconnect inflation nozzle with an 8mm connector.
- Incorporates a water and fan cooling system with a large water tank and multiple fans for effective temperature control; enhances durability and portability for outdoor use.
- Includes an adjustable pressure gauge that automatically stops inflation when the set pressure is reached, capable of achieving a maximum pressure of 4500Psi.
- Ideal for diverse applications such as diving, firefighting, paintball, leak detection, and automotive air tightness testing; includes an operating manual and access to customer support.
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- Equipped with a 110V power supply for compatibility with household outlets; operates at a working pressure of 30MPA/300bar/4500psi with a flow rate of 50L/min and power of 2.2kw; fills a 6.8L tank to 300Bar in approximately 30 minutes.
- Features a built-in two-stage filtration system to ensure air purity; includes an oil and water separator with a safety valve; quick connect/disconnect inflation nozzle with an 8mm connector.
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#3
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- Integrated power adapter allows for direct connection, eliminating the need for a transformer; compatible with both 12V car batteries and 110V/220V AC outlets.
- Auto shut-off feature ensures that the compressor stops filling once the preset air pressure is reached, enhancing safety and convenience.
- Equipped with a fan cooling system and an oil-moisture separator, providing clean, dry high-pressure air without the need for oil or external cooling.
- Features a wire spool design for hassle-free storage, enhancing portability for outdoor use while maintaining a compact structure.
- Designed for multiple applications including PCP air rifles, paintball guns, and scuba tanks, with specific fill times for various tank sizes and a duty cycle of 25 minutes on, 10 minutes off.
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- Integrated power adapter allows for direct connection, eliminating the need for a transformer; compatible with both 12V car batteries and 110V/220V AC outlets.
- Auto shut-off feature ensures that the compressor stops filling once the preset air pressure is reached, enhancing safety and convenience.
- Equipped with a fan cooling system and an oil-moisture separator, providing clean, dry high-pressure air without the need for oil or external cooling.
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#4
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- User-friendly design tailored for beginners, ideal for inflating airguns and small tanks.
- Integrated transformer improves safety and portability while eliminating the need for an extra adapter.
- Auto shut-off feature allows for setting desired PSI (up to 4500) for various applications.
- Fast filling capability, refilling a 0.5L tank to 3000 PSI in just 15 minutes.
- Durable steel frame and oil-free pump for low maintenance; features an LED pressure display and universal fittings.
- Pressure release necessary after use to prevent heat build-up, with normal gas spray from the relief screw.
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- User-friendly design tailored for beginners, ideal for inflating airguns and small tanks.
- Integrated transformer improves safety and portability while eliminating the need for an extra adapter.
- Auto shut-off feature allows for setting desired PSI (up to 4500) for various applications.
- Fast filling capability, refilling a 0.5L tank to 3000 PSI in just 15 minutes.
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#5
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- Portable PCP air compressor compatible with both 12V car batteries and 110V home outlets for versatile use.
- Designed with built-in cooling fans and multiple vents, eliminating the need for external water or oil while efficiently preventing overheating.
- Features an integrated oil-moisture filter for protection against corrosion of airguns and tanks.
- Equipped with 8mm FOSTER connectors for compatibility with most diving bottles, PCP air rifles, and paintball cylinders; maximum output pressure of 4500PSI.
- User-friendly design requires no oil or water, includes an operation manual, and supported by a responsive service team.
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- Portable PCP air compressor compatible with both 12V car batteries and 110V home outlets for versatile use.
- Designed with built-in cooling fans and multiple vents, eliminating the need for external water or oil while efficiently preventing overheating.
- Features an integrated oil-moisture filter for protection against corrosion of airguns and tanks.
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#6
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- Rated for 4500 PSI, this compressor easily refills carbon fiber tanks, making it a reliable tool for PCP airgun enthusiasts.
- Fills a 1.6L PCP carbon fiber tank from 0 to 4500 PSI in approximately 48 minutes, allowing for extended shooting sessions.
- Oil-free operation with built-in fan cooling enhances durability and eliminates the need for additional fluids during the refilling process.
- Compact and portable 12V design allows for convenient field refills of PCP airguns without the need for bulky equipment.
- Quick filling time of 16 minutes for 0.5L tanks at 80 dB noise level, featuring a double-pointer pressure gauge and dual-level auto-stop for added safety.
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- Rated for 4500 PSI, this compressor easily refills carbon fiber tanks, making it a reliable tool for PCP airgun enthusiasts.
- Fills a 1.6L PCP carbon fiber tank from 0 to 4500 PSI in approximately 48 minutes, allowing for extended shooting sessions.
- Oil-free operation with built-in fan cooling enhances durability and eliminates the need for additional fluids during the refilling process.
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#7
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- Lightweight and portable design for easy transport, suitable for PCP air rifles, pistols, paintball guns, and HPA tanks.
- Achieves 4500 PSI (300 bar/30 MPA) for efficient inflation of air guns and PCP devices.
- Versatile power supply with 110V AC for home use and 12V DC for vehicles, compatible with cylinders under 1L for convenient use indoors and outdoors.
- Oil-free and water-free operation with an automatic cooling fan to prevent overheating, ensuring stable long-term performance with efficient heat dissipation.
- Equipped with standard 8mm female connectors for easy compatibility with most PCP air rifles and paintball cylinders; includes a visible pressure gauge for monitoring during inflation.
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- Lightweight and portable design for easy transport, suitable for PCP air rifles, pistols, paintball guns, and HPA tanks.
- Achieves 4500 PSI (300 bar/30 MPA) for efficient inflation of air guns and PCP devices.
- Versatile power supply with 110V AC for home use and 12V DC for vehicles, compatible with cylinders under 1L for convenient use indoors and outdoors.
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#8
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- The air compressor features an auto-stop function that halts operation once the desired pressure is reached, allowing for manual pressure adjustments up to 4000PSI. After reaching the set pressure, the fan continues to run, preventing overheating and prolonging equipment life.
- Equipped with a built-in transformer, this compressor supports both AC and DC power sources, allowing seamless switching between household electricity and car battery power for easy use at home or on the go.
- It takes approximately 11 minutes to fill a 0.5L air cylinder to 3000PSI, 26 minutes for a 1L cylinder, and 46 minutes for a 2L cylinder. A cooldown period of 10 minutes is recommended after every 25 minutes of continuous operation.
- Weighing 21 pounds, this portable air compressor is backed by a 1-year warranty and 24-hour customer support, making it a reliable choice for travel.
- The compressor features an 8mm female connector, compatible with various air tools and includes an oil-water separator that requires periodic replacement to maintain clean and dry air.
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- The air compressor features an auto-stop function that halts operation once the desired pressure is reached, allowing for manual pressure adjustments up to 4000PSI. After reaching the set pressure, the fan continues to run, preventing overheating and prolonging equipment life.
- Equipped with a built-in transformer, this compressor supports both AC and DC power sources, allowing seamless switching between household electricity and car battery power for easy use at home or on the go.
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#9
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- Dual-cylinder two-stage compression design achieves a maximum pressure of 4500 PSI (30Mpa) and a flow rate of 35 L/min, allowing for efficient tank filling—0.5L tank fills in about 3 minutes and 6.8L in 45 minutes.
- Features a multi-layer filtration system with an oil-water separator and activated carbon, effectively removing moisture, oil, and impurities for clean air delivery.
- Includes an efficient external cooling system with fans and a water pump for rapid heat dissipation, preventing overheating during high-pressure operations.
- Equipped with pressure and temperature gauges, automatically stops when the preset pressure is reached, ensuring safety and user convenience.
- Suitable for various applications including scuba diving, PCP rifles, paintball, firefighting, and air-tightness testing, catering to diverse high-pressure air requirements.
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- Dual-cylinder two-stage compression design achieves a maximum pressure of 4500 PSI (30Mpa) and a flow rate of 35 L/min, allowing for efficient tank filling—0.5L tank fills in about 3 minutes and 6.8L in 45 minutes.
- Features a multi-layer filtration system with an oil-water separator and activated carbon, effectively removing moisture, oil, and impurities for clean air delivery.
- Includes an efficient external cooling system with fans and a water pump for rapid heat dissipation, preventing overheating during high-pressure operations.
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#10
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- Lightweight 12V PCP air compressor weighing only 7 kg, designed for easy transport and field use with a car battery for inflating paintball cylinders.
- Versatile power options: operates on 12V DC from car batteries or 110V AC from household outlets using an included converter, enhancing usability in various locations.
- User-friendly design: requires no oil or water for operation, making it easy to handle during outdoor activities, backed by strong after-sales service support.
- Capable of reaching up to 4500 psi/30 MPa, ideal for high-pressure air guns, filling a 500cc tank efficiently compared to manual pumps or water tanks.
- Fast inflation: equipped with a 250W brushless motor that fills a 0.5L tank in about 20 minutes from 0 to 300 bars, and 8 minutes from 200 bars to 300 bars.
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- Lightweight 12V PCP air compressor weighing only 7 kg, designed for easy transport and field use with a car battery for inflating paintball cylinders.
- Versatile power options: operates on 12V DC from car batteries or 110V AC from household outlets using an included converter, enhancing usability in various locations.
- User-friendly design: requires no oil or water for operation, making it easy to handle during outdoor activities, backed by strong after-sales service support.
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