Onlineshop
How can I request an account?
Click on the “Register” button in the top right corner of the online store and then on “Request account” to request a new customer account. Your registration will be checked by our team and you will receive the username and password information by e-mail.
What are the requirements for a customer account?
A customer account can only be requested by commercial customers.
What are the advantages of a customer account?
With a customer account, you can see your individual prices, save your shopping cart, create machine lists, create and print written offers and much more.
Where can I find my personal data?
Click on the “Login” button at the top right of the online store and log in with your access data. You will see the “My account” button at the top right. Here you can find your personal profile, billing address and delivery addresses. You can also view your previous orders.
What can I do if I forgot my password?
Click on the “Login” button in the top right corner of the online store and then on “I forgot my password”. Now enter the e-mail address you use for your account. We will send you a confirmation e-mail. Click on the provided link to change your password.
Alternative products are displayed in the search results. What does this mean?
Alternative products are technically interchangeable alternatives from various well-known filter manufacturers in different price categories. You can therefore use these products without hesitation as an alternative to the product you are looking for. You can recognize alternative products by the light bulb carton symbols with the label “Product alternative”. So you alone decide which brand you would like to purchase your filters from.
How do I find the right filter for my device?
It is best to use the filter number of your old filter to be replaced and enter it in the store's search function. If you are unsure, you can contact our support team, who will be happy to help you choose the right filter based on the technical requirements of your device.
How can I see if a product is available?
Search for the product using the search function on the page. You can then see the stock, delivery time, minimum order quantity and price for each product. This information is always up to date.
Can I store several e-mail addresses in one online store account?
Unfortunately, that is not possible. However, we are happy to create a separate account for each employee of your company who needs access to the online store. These accounts with different e-mail addresses would all be set up under the same customer account. Alternatively, you can use one online store access for several employees who would all use the same access data.
Where can I change my shipping address?
Click on the “Login” button at the top right of the online store and log in with your access data. You will see the “My account” button at the top right. Here you can find your personal profile, billing address and delivery addresses.
Where can I change my billing address?
Billing addresses cannot be changed online. Please contact us to change your billing address.
Why am I being shown such high prices?
High prices are usually displayed because you are visiting the store when you are not logged in. Please check whether you are logged in. If you do not yet have a customer account, simply request one to benefit from numerous advantages.
Can I upload a list of the products I want to order in the store?
Yes, you can upload your order via CSV file. Log in to the online store with your access data, navigate to the shopping cart and follow the instructions.
I need a quote. How do I get one?
You can easily generate a quote yourself using our online store. To do this, add the products to your shopping cart and in the “Shopping cart” navigate to the “Print quote” button. Your personalized offer will be generated.
I need technical advice on a product. How do I get this?
Our filter experts will be happy to advise you on technical questions relating to filtration!
What is a machine list?
With a customer account, you have the option of creating individual machine lists in your online store customer account. Here you can manage your machines, your fleet or recurring customer orders, for example.
Order & Purchase
Can I change or cancel my order?
Orders cannot be changed or canceled online. Please contact us by telephone if you have any further questions.
Can I place my order as a guest or do I have to create an account?
You can place guest orders in our online store. However, only with an account will you benefit from many advantages, such as better prices.
How can I view my order details?
Log in to the online store with your access data. You will now see the “My account” button at the top right. Here you will find the “Orders” tab, where you can view your past orders. Open orders cannot be viewed here.
Is there a minimum order value?
There is no minimum order value in our online store. The delivery of an order via our online store within Germany and Austria is free of shipping costs from a net order value of €30.
Will I receive an order confirmation for my order?
After submitting your order, you will receive an order confirmation by e-mail. The invoice will also be sent to you by e-mail once the goods have been dispatched.
Payment
What payment methods are available in the online store?
New customers receive the goods on account when placing their first order. For existing customers, the agreed terms of payment apply. You can view these in your account.
How do I receive the invoice for my order?
You will receive the invoice for your order by e-mail after your goods have been dispatched.
How can I redeem a voucher code?
You can enter a voucher code in the field provided in the shopping cart. Make sure that you enter the code exactly as you received it.
Shipping & Delivery
What are the shipping costs to Germany and Austria?
The delivery of an order via our online store within Germany and Austria is free of shipping costs from a net order value of €30. If the net order value is less than €30, we charge €3.90 shipping costs for deliveries within Germany and €8.50 for deliveries to Austria. Air purifiers are excluded from free shipping!
What are the shipping costs to other countries?
For all other countries we charge shipping costs at cost. Information on shipping costs for other countries can be obtained by calling 07032/9604-0. These are also shown when the order is completed. Export customs documents can be provided for a fee of €75 if this is required for your goods.
What is a partial delivery?
If not all parts are available from stock, we will be happy to deliver the parts that are already available separately. If you would like a partial delivery, please inform us via the "Shipping method" button in the check-out of your order.
How long are the delivery times?
The delivery time for goods in stock is 1 to 2 working days within Germany and Austria. Orders with goods in stock that are placed on working days by 3 p.m. are dispatched on the same day. For non-stock items, please refer to the respective product detail page for the delivery time. The exact delivery date for goods not in stock is stated in the order confirmation.
Are express delivery and overnight delivery possible?
You can find the express and overnight shipping options here
Express and overnight delivery
If you require express or overnight delivery, please indicate this in the comments field during check-out.
Is delivery tracking possible?
Once your goods have been dispatched, you will receive a GLS tracking number by e-mail, which you can use to track your parcel.
How can I have neutral deliveries made to my end customer?
To enable neutral delivery to the end customer, please enter “neutral direct delivery” and the desired delivery address of the order in the comments field during the ordering process. This will ensure that the delivery is made directly to the end customer without any visible sender information.
Complaints & Guarantee
Can I return my order?
Please refer to section "VI Unauthorized returns by the customer" of our GTC.
GTC
My goods are damaged on receipt. What can I do?
If your goods are damaged on receipt, please contact our customer service (SCO) immediately. At best, the damage should be documented when you receive the parcel. We will process your request as quickly as possible and find a solution for you.
Fast & Easy: This is how you can contact us!

Contact form
You can simply leave us a message here. We will be happy to answer your request as quickly and as thoroughly as possible. Alternatively, you can simply contact us using the chat function, which you will find at the bottom left.

Our experts
Find the right contact person for your request quickly and easily! Contact the right expert for your requirements – our entire team is at your disposal! We are happy to help you with professional expertise.

Telephone inquiries
Of course, we are also available to you by telephone at any time during our business hours! No matter how complex your request may be, as filter specialists, we are at your side with advice and assistance. You can reach us by phone at:

On-site consultation
Our experienced field service experts will be happy to advise you directly at your premises. Simply find the right contact person in your region and make an appointment that suits your needs.