HLHgirl AC Manifold Gauge Set for R1234yf/R134a/R404a — 3-Way Oil-Filled Gauges & Reinforced Hoses

This compact, workshop-ready manifold gauge set bundles large, color-coded pressure dials, oil-filled mechanisms, reinforced hoses, adapters, and quick couplers to handle automotive and household air conditioning jobs. Designed for durability and portability, the set fits both professional technicians and informed DIYers who need dependable readings and flexible hookups across multiple refrigerants.

How does this manifold gauge set make freon charging and evacuation easier?

The HLHgirl kit centralizes all functions—charge, evacuate, and read—so you can move from diagnosis to service without swapping tools. Extra-large, color-coded gauges and a sight glass give fast visual confirmation of flow and pressure while the included adapters let you connect to most service ports.

• Three-way manifold with oil-filled cores for stable readings
• Large red (high) and blue (low) dials for quick interpretation
• Sight glass to monitor refrigerant flow during charging
• Adapters and quick couplers for hassle-free hookups

What refrigerants and systems is this AC gauge set compatible with?

This manifold set supports R1234yf, R134a and R404a, making it suitable for modern auto AC systems, older R134a vehicles, household air conditioners and many compressors. The package includes conversion adapters so you can switch between refrigerant fittings without additional purchases.

• Built for R1234yf, R134a and R404a service tasks
• Includes R134a-to-R1234yf adapters and ACME/tank adapters
• Works with auto air conditioners, home AC units, and compressors
• Valve core remover and can tap included for on-the-spot service

How durable and accurate are the gauges and hoses for frequent use?

The gauges use oil-filled mechanisms and sturdy metal housings to resist shock and temperature swings, while the hoses are multi-reinforced for high working and burst pressures. Those build choices help the kit hold calibration longer and withstand rough shop conditions.

• Brass and aluminum construction for corrosion resistance
• Oil-filled gauge cores to dampen needle flutter and wear
• Three 5-foot, 4-layer hoses rated 600 PSI working, 3000 PSI burst
• Upgraded housing and reinforced fittings for heavy use

Which accessories come with the kit and why are they useful?

The HLHgirl kit is sold as a complete service set that includes the most common adapters and tools needed for everyday AC work, reducing the need to hunt for parts. Extras like gloves, O-rings and a calibration screwdriver let you finish jobs more efficiently and safely.

• Two quick couplers, can tap, ACME and tank adapters for versatile hookups
• R134a adapters, valve core remover, calibration screwdriver and spare O-rings
• Self-sealing can tap and hose valve core for controlled charging
• Compact carrying case for organized transport and storage

Who this is for: The HLHgirl AC manifold gauge set suits professional mechanics, HVAC technicians and experienced DIYers who service vehicles, home air conditioners or compressors and need a single, portable toolset compatible with R1234yf, R134a and R404a. If you require accurate, repeatable pressure readings, rugged construction and a full complement of adapters and hoses, this kit keeps your service bench compact and capable without buying separate gauges for each refrigerant.