1. This product is primarily designed for lubricating refrigeration compressors, particularly

screw compressors, where oil filter quality is critical as it directly impacts the compressor's lifespan.

2. Oil filters are often categorized into two stages:
- **Primary oil filter** (typically built into the compressor)
- **Secondary oil filter** (usually external)

Some manufacturers with poor technical expertise may incorrectly position these filters,

rendering the external filter ineffective. Different brands, such as Carrier and York, have

their own specialized filter designs.

3. Our company supplies a wide range of high-quality, cost-effective refrigeration oil filters

to meet various industry needs.

**Key Features:**

**Durable and Rust-Resistant Construction:**
The exterior is made using advanced spray technology or crimped aluminum, providing excellent

resistance to rust and a sleek, modern appearance.

**Efficient Coil Design for Improved Cooling:**
The coils are designed to minimize air resistance. They feature precision-crafted copper tubes and

aluminum fins to enhance heat transfer and overall efficiency.

**Rigorous Quality Testing:**
Each unit undergoes pressure testing and is thoroughly cleaned to remove oil, water, and debris,

ensuring a clear system and preventing blockages.

**Energy-Efficient Fan Motors:**
The air cooler is equipped with specialized fan motors that operate quietly, consume less energy,

and deliver effective airflow. It performs reliably even in cold or humid environments.

**Fast and Effective Defrosting:**
The built-in heating system in the coils ensures quick frost removal, minimizing downtime and

maintaining smooth operation.

**Simple Installation:**
Included slotted hangers make lifting and installation easy, saving time and effort during setup.

**Nitrogen Packaging for Quality Protection:**
Before shipping, each unit is treated with nitrogen to preserve its quality during storage and

transportation.

**Why Choose the D-Series Air Cooler?**
With its intelligent design, durable construction, and user-friendly features, the D-Series air

cooler is a reliable and efficient solution for maintaining optimal temperatures in cold storage

environments. It ensures the preservation and quality of stored goods, making it an excellent

choice for a wide range of cold storage needs.