Nbf Engineering

Upgrade your ventilation with 𝐄𝐌𝐖® 𝐏𝐨𝐫𝐞𝐭 𝐌𝐞𝐝𝐢𝐚, perfect for residential, commercial & institutional equipment spaces.

High-performance filtration for:
✔ Balcony Vents
✔ AC Intake Systems
✔ Restaurant Kitchens
✔ Hospitals & Clinics
✔ School Classrooms

𝑫𝒖𝒔𝒕 𝑪𝒐𝒏𝒕𝒓𝒐𝒍 | 𝑺𝒎𝒐𝒌𝒆 𝑭𝒊𝒍𝒕𝒓𝒂𝒕𝒊𝒐𝒏 | 𝑨𝒍𝒍𝒆𝒓𝒈𝒆𝒏 𝑹𝒆𝒅𝒖𝒄𝒕𝒊𝒐𝒏
Custom sizes available. Washable & durable.

Contact 𝐧𝐛𝐟 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 for details:
𝐀𝐝𝐝𝐫𝐞𝐬𝐬: Plot # 40, Road # 06, Sector # 17/G-1
Uttara Model Town, Dhaka-1230
𝐂𝐞𝐥𝐥: +880 1901-103100
𝐄𝐦𝐚𝐢𝐥: [email protected]

Pocket Filters – ISO Classes (Formerly M5–F9)

Medium & fine dust pocket filters designed for reliable performance in demanding environments.

Widely used in:
✔ Turbomachinery air intake systems
✔ HVAC systems
✔ Laboratories
✔ Chemical & pharmaceutical plants
✔ Workplace fume extraction systems

🔹 Synthetic or glass-fibre media
🔹 Compliant with ISO 16890 (formerly M5–F9 under EN 779)
🔹 Available in stitched and welded versions
🔹 Plastic or metal frames
🔹 Optional foamed-in-place seal
🔹 Standard & custom sizes available

Efficient filtration. Reliable protection. Long-term performance.

📩 Contact NBF Engineering for product details and supply support

𝐧𝐛𝐟 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠
Plot #40, Road #06, Sector #17/G-1 Uttara Model Town, Dhaka-1230, Bangladesh

Cell: +880 1901-103100
Email: [email protected]

𝐏𝐨𝐫𝐞𝐭® 𝐅𝐢𝐥𝐭𝐞𝐫 𝐅𝐨𝐚𝐦

Poret® is a high-performance open-cell polyurethane foam designed for water & air filtration applications. Available in blocks, rolls, sheets, and custom-fabricated formats to meet your exact specifications.

✅ Key Advantages
✔ 5–10+ years service life
✔ High compression strength
✔ Excellent biofilm carrier
✔ Resistant to chemicals, ozone & oxygen
✔ Temperature resistant up to 80°C
✔ Washable & sterilizable
✔ Available in 10–45 PPI

🌊 Ideal For:
Aquariums • Aquaculture • Aquaponics • Pond Filters • Wastewater Treatment • Biofilters

𝑹𝒆𝒍𝒊𝒂𝒃𝒍𝒆, 𝒅𝒖𝒓𝒂𝒃𝒍𝒆, 𝒂𝒏𝒅 𝒗𝒆𝒓𝒔𝒂𝒕𝒊𝒍𝒆 𝒇𝒊𝒍𝒕𝒓𝒂𝒕𝒊𝒐𝒏 𝒎𝒆𝒅𝒊𝒂 𝒇𝒐𝒓 𝒘𝒂𝒕𝒆𝒓 𝒂𝒏𝒅 𝒂𝒊𝒓 𝒕𝒓𝒆𝒂𝒕𝒎𝒆𝒏𝒕 𝒔𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔.
📩 Contact NBF Engineering for supply & technical support.

𝐏𝐨𝐜𝐤𝐞𝐭 𝐅𝐢𝐥𝐭𝐞𝐫𝐬 𝐈𝐒𝐎 𝐂𝐨𝐚𝐫𝐬𝐞 𝐅𝐨𝐫𝐦𝐞𝐫𝐥𝐲 𝐆𝟑–𝐆𝟒

ISO Coarse pocket filters are designed for efficient pre-filtration in demanding environments.

Widely used in:
✔ Turbomachinery air intake systems
✔ HVAC systems
✔ Laboratories
✔ Chemical & pharmaceutical plants
✔ Workplace fume removal hoods

🔹 Manufactured from synthetic media compliant with ISO 16890 (ISO Coarse)
🔹 Formerly classified as G3–G4 (EN 779)
🔹 Available in stitched and welded versions
🔹 Plastic or metal frames available
🔹 Optional continuous foamed-in-place seal
🔹 Standard and custom sizes available

Reliable coarse filtration to protect downstream filter stages and optimize system performance.

📩 Contact NBF Engineering for product details and supply support

Poret® Foam Media – Solutions for Diverse Filtration Requirements

Poret® is an open-cell polyurethane-based foam designed for reliable filtration across a wide range of applications. Its polyether foam structure remains virtually unaffected by water, making it ideal for demanding wet environments.

🔹 Suitable for aquariums, fish ponds & wastewater treatment
🔹 Available in multiple forms: blocks, rolls, sheets & custom-cut parts
🔹 Wide range of dimensions, colors & configurations
🔹 Poret®Carbon available with activated carbon impregnation
🔹 Specialized variants: Poret® aqua (wastewater) & Poret® air (exhaust air treatment)

Versatile, durable, and customizable filtration solutions.

📩 Contact NBF Engineering for product details and supply support

𝐏𝐎𝐑𝐄𝐓® 𝐚𝐪𝐮𝐚 – Biofilm Carrier for Biological Wastewater Treatment

Effective biological wastewater treatment depends on maximum contact between microorganisms and wastewater.

PORET® aqua serves as an advanced biofilm carrier, providing an ideal living environment to sustain selected bacterial cultures.

🔹 Extremely high surface area — up to 1000 m²/m³
🔹 Precise process control
🔹 High treatment efficiency
🔹 Reliable performance in biological systems

A smart solution for efficient and controlled wastewater treatment processes.

📩 Contact NBF Engineering for product details and supply support

𝐏𝐨𝐫𝐞𝐭® 𝐂𝐨𝐚𝐥𝐞𝐬𝐜𝐞𝐫 𝐌𝐞𝐝𝐢𝐚
For efficient removal of entrained droplets and coarse particles.

Poret® Coalescer Media is ideal as an initial filtration stage, protecting downstream filters from coarse particulates and entrained water droplets in inlet air systems.

🔹 Exceptional rigidity—far stronger than synthetic or glass fiber media
🔹 Maintains structure even in high water-content air
🔹 Superior water resistance for long service life
🔹 Washable and reusable without loss of efficiency

A durable and cost-effective solution for demanding air filtration environments.

📩 Contact NBF Engineering for product details and supply support

Reverse Flow Pocket Filter.
For Gas Turbine Inlet Air Filtration.

The Reverse Flow Pocket Filter is designed to deliver highly effective protection for gas turbine inlet air systems, while significantly extending the service life of downstream filter stages.

A smart solution for efficient and long-lasting gas turbine air filtration.

📩 Contact NBF Engineering for product details and supply support

GT Pocket Filters
For air intake filtration of turbomachinery.

GT pocket filters are specially developed for turbomachinery air intake systems, focusing on low pressure drop and high energy efficiency.

🔹 Aerodynamic intake guides to reduce operational pressure drop
🔹 Progressively structured synthetic filter media
🔹 Continuous foamed-in-place seal for airtight performance
🔹 Extremely rugged design, maintaining shape under pressure fluctuations
🔹 Reinforced with tubular spacers and outlet-side grids

Built for reliability, efficiency, and long-term performance in demanding turbine environments.

📩 Contact NBF Engineering for product details and supply support

Aeromask – Air Flow Optimizer

Aeromask enhances the performance of compact air filters through an aerodynamically optimized design that prevents air swirls and turbulence inside the filter housing.

🔹 Reduces initial pressure drop by over 12%
🔹 Optimized for high airflow applications
🔹 Extends filter service life
🔹 Significantly lowers energy consumption

A smart upgrade for efficient and cost-effective air filtration systems.

📩 Contact NBF Engineering for product details and supply support