Estimated Delivery: 2–5 Working Days
Enter postcode in checkout for delivery cost
View transport policyFilter Cassettes for Circular Ducts are compact air filtration units designed to remove dust, lint, and airborne particles from the airflow in HVAC systems. They are specifically shaped for circular duct installations, allowing easy integration into round ductwork while ensuring effective air purification. Ideal for commercial, industrial, and residential applications, these filter cassettes help maintain clean air, protect downstream equipment, and improve overall system efficiency.
Material:
Filter media: Synthetic fiber or glass fiber for coarse or fine filtration
Frame: Galvanised steel or durable plastic for structural support
Designed for durability and long-term use
Specifications:
Compatible with circular duct diameters (varies by model)
Type: Replaceable filter cassette for round ducts
Captures dust, lint, and other airborne particles
Lightweight and easy to install
Suitable for HVAC systems in commercial, industrial, and residential settings
Maintains airflow efficiency while improving indoor air quality
Easy to replace and maintain
At Direct Duct Supplies, we are committed to delivering your orders quickly, safely, and efficiently. Below you will find our shipping procedures and policies. If you have any specific delivery deadlines or special requirements, please contact our team and we will do our best to assist.
We work hard to get our customers what they need when they need it. Below you will find information on our delivery service. If you have a particular need or deadline, please contact us and we’ll do our best to accommodate you.
Delivery Charges
Delivery charges vary depending on the size, weight, and value of your order. Shipping costs are calculated at checkout and clearly displayed on the My Basket page before you complete your purchase.
We offer a range of delivery options, including free delivery on selected orders, with standard delivery charges typically ranging between £20 and £40 depending on the service selected.
Delivery Time (UK)
We offer fast and reliable UK delivery, with most orders arriving within 2–5 working days from the date of purchase.
Smaller items typically arrive within 2–4 working days, while larger or heavier items may take 3–5 working days. Delivery times may vary slightly during busy periods or holidays.
Easy & Convenient Delivery
We use a combination of in-house logistics and trusted UK courier partners including Royal Mail, DPD and DX. This allows us to provide reliable delivery coverage across the UK. Once your order has been dispatched, you will receive an email confirmation with tracking details. You can also track your delivery via the My Account section.
Next Day Delivery
We offer next working day delivery on selected items and order types. Availability and pricing depend on the size, weight, and order value. Please contact us prior to ordering to confirm eligibility and we will do our best to arrange this.
International, Scottish Highlands, Islands & Northern Ireland
We are able to ship orders internationally, as well as to the Scottish Highlands and offshore locations. Please contact us for a delivery quote before placing your order.
Please note that some items may not be eligible for international shipping due to size or weight restrictions.
