1.5 Gallon Vacuum Chamber and 3.5 CFM Pump Kit - Degassing for Resin

In this review the VEVOR 1.5 Gallon Vacuum Chamber and 3.5 CFM Pump Kit is examined for hobbyists and small labs who need reliable degassing for resin, silicone and epoxy work. The single strongest reason to consider this kit is its combination of a stainless steel 1.5 gallon chamber and a 3.5 CFM pump that achieves a very low 5Pa ultimate vacuum, making it effective at removing bubbles and improving cast quality. The package includes the accessories a user needs to get started, so setup is straightforward for most craft and small-scale lab tasks.

Key Features

• 3.5 CFM Vacuum Pump: Provides efficient air extraction for quicker, more thorough degassing of resin and silicone to reduce voids in finished casts.
• 5Pa Ultimate Vacuum: The low achievable pressure helps collapse stubborn bubbles and improve the clarity and strength of cured epoxies.
• Stainless Steel 1.5 Gallon Chamber: A durable construction that resists warping and holds vacuum well for multi-hour processes and repeated use.
• Acrylic Lid: The clear lid makes it easy to monitor the degassing process so users can stop the cycle when bubbles are gone.
• User-Friendly Pump Design: The pump includes a rubber-coated ergonomic handle and an oil viewing window to simplify handling and maintenance tasks.
• Complete Accessory Kit: Comes with gauge set, manual shut-off valve, 4.92 ft hose, silicone pad and pump oil so the kit is ready to use out of the box.

Who It's For

This kit is well suited for resin artists, small lab technicians, and DIYers working with silicone, epoxy and casting resins who need dependable degassing without investing in industrial equipment. It is a good fit where a 1.5 gallon capacity matches project sizes and where visible monitoring through an acrylic lid is helpful.

It is not intended for wood stabilization and users who require larger volume chambers or multi-stage vacuum systems for heavy professional production should look at larger-capacity or higher-spec industrial units instead.

Pros & Cons

Pros

• Well-built stainless steel chamber that maintains vacuum reliably for extended periods.
• Powerful 3.5 CFM pump with a four-stage pure copper motor and cooling fan for stable operation.
• Comes with all necessary accessories including hose, gauges, valve and pump oil for quick setup.
• Clear acrylic lid and silicone pad make monitoring and protecting parts easy during degassing.

Cons

• Some customers report mixed seal quality from the rubber gasket and occasional pressure gauge variability, so check the gasket fit before critical runs.

Specifications

Pump displacement	3.5 CFM
Ultimate vacuum	5 Pa
Chamber capacity	1.5 gallon
Chamber material	Stainless steel with acrylic lid
Included hose length	4.92 ft
Included pump oil	0.35 qt (330 ml)
Motor	Four-stage pure copper with cooling fan

Our Verdict

The VEVOR 1.5 Gallon Vacuum Chamber and 3.5 CFM Pump Kit is a practical, value-minded option for hobbyists and small labs needing effective degassing for resin and silicone projects. Its durable stainless chamber, low achievable vacuum and complete accessories make it ready for immediate use, though buyers should inspect the gasket and gauge on arrival. For its price and capability it represents good value for small-scale degassing tasks.

Frequently Asked Questions

Is this kit suitable for wood stabilization?
No. The manufacturer and product notes specify this vacuum chamber and pump kit is not suitable for wood stabilization.

Does the pump come ready to run?
The pump is supplied with 0.35 qt (330 ml) of vacuum pump oil and the necessary hoses, gauge and valve, so the kit is ready to assemble and use after filling and checking connections.

How long does the vacuum hold?
Users report the chamber can maintain a full vacuum for extended periods, with some noting retention for over two days when seals are properly fitted.