This precision filter cartridge WH-IGR-900-40D-1 is designed for applications demanding exceptional accuracy, consistent performance, and reliable protection for sensitive components. It serves as a critical component in systems where even minor contaminant ingress can lead to reduced efficiency, product quality issues, or equipment failure.
Manufactured to precise specifications, this element utilizes advanced filtration media and construction techniques to deliver targeted contaminant removal. It is engineered to maintain stable flow characteristics and efficiency over its service life, providing dependable performance in critical hydraulic, lubrication, process fluid, or high-purity applications.
| Part number | WH-IGR-900-40D-1 |
| Filter layer | Fiberglass |
| Dimension | Standard |
| Working temperature | -20~+100℃ |
| Origin | Henan, China |
| Package | Neutral carton package |
| Manufacturer | Huahang Filter |
This is the specification of the standard part number. We can also provide customized service. If you have needs, please contact us.
| MS-015C | MS-015T | MS-015A | MS-015F | MS-015H |
| MS-025C | MS-025T | MS-025A | MS-025F | MS-025H |
| MS-038C | MS-038T | MS-038A | MS-038F | MS-038H |
| MS-060C | MS-060T | MS-060A | MS-060F | MS-060H |
| MS-085C | MS-085T | MS-085A | MS-085F | MS-085H |
| MS-120C | MS-120T | MS-120A | MS-120F | MS-120H |
| MS-150C | MS-150T | MS-150A | MS-150F | MS-150H |
| MS-200C | MS-200T | MS-200A | MS-200F | MS-200H |
| MS-250C | MS-250T | MS-250A | MS-250F | MS-250H |
| MS-300C | MS-300T | MS-300A | MS-300F | MS-300H |
| MS-400C | MS-400T | MS-400A | MS-400F | MS-400H |
There are part of the models we can supply. If you don’t find the model you need, please don’t hesitate to send the details to us.

Huahang Filter is a globally recognized manufacturer and supplier of high-performance filtration solutions. Unlike distributors who simply resell stock products, Huahang is a true manufacturing powerhouse with full control over design, material selection, production, and quality assurance. Our mission is to deliver precision-engineered filtration products at factory-direct prices.
20+ Years of Industry Expertise: We’ve spent over two decades specializing in hydraulic and industrial filtration. Our engineering team averages 20 years of experience, understanding the critical requirements of precision filtration across diverse applications.
Engineering-Driven Problem Solving: We don’t just take orders—we solve problems. Whether you need custom specifications, obsolete part replacements, or solutions for challenging applications, our engineers work directly with you to develop the right solution.
Built to Last, Priced for Reality: Through vertical integration and lean manufacturing, we deliver filters that meet premium quality standards at prices that make sense for industrial budgets. We use premium glass fiber media and heavy-gauge steel components because cutting corners on filtration always costs more in the long run.
Global Experience, Local Attention: Our filters support customers in over 120 countries, yet we maintain the responsiveness of a specialized manufacturer. When you contact Huahang, you’re working with people who understand that every application matters.
Quality Assurance: ISO 9001 certified manufacturing processes ensure consistent, reliable performance across all products.

Q1: What fluids is this precision filter element compatible with?
A: This filter is compatible with general hydraulic oils, phosphate ester hydraulic fluids, water-glycol emulsions, and lubrication oils.
Q2: What is the operating temperature range?
A: The element operates reliably from -30°C to +110°C, suitable for most industrial applications.
Q3: Can this filter element be cleaned and reused?
A: Glass fiber elements are typically disposable and should not be cleaned or reused. Cleaning can damage the delicate fiber structure and destroy filtration efficiency.
Q4: What seal material options are available?
A: Standard seal material is NBR (Buna-N). Viton (FKM) seals are available for higher temperature applications or aggressive fluid compatibility.
Q5: How do I know when to replace this filter element?
A: Replace when the differential pressure indicator signals, when pressure drop reaches the manufacturer’s recommended maximum, or during scheduled maintenance intervals.