# CATA B10 PLUS/C E-100 Non-Return Valve

**URL:** https://aio.lv/en/product--cata-01990101--12518641
**Data updated:** 2026-06-12 15:54 (EEST)
**Category:** Ventilation Filters
**Manufacturer:** CATA
**Manufacturer code:** 01990101
**EAN:** 8422248103725
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cata-01990101--12518641

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The CATA B10 PLUS/C E-100 non-return valve is a specialized ventilation accessory designed to prevent backdraft and the return of air into the room. Compatible with 100mm diameter ventilation systems, this valve ensures efficient airflow management and improves the overall performance of your exhaust fan by maintaining unidirectional air movement.

## Long description

The CATA B10 PLUS/C E-100 non-return valve is a high-quality ventilation accessory engineered to optimize the performance of your exhaust system. Designed specifically for 100mm diameter ducts, this component effectively prevents backdraft, ensuring that air flows in only one direction. By stopping external air, odors, and dust from entering your living space through the ventilation shaft, it maintains a cleaner and more comfortable indoor environment.
Advantages
This non-return valve offers a reliable solution for maintaining unidirectional airflow in residential and commercial ventilation systems. Its durable plastic construction ensures longevity and resistance to environmental factors within the ductwork. By preventing the return of air, the valve significantly improves the efficiency of your exhaust fan, allowing it to operate without fighting against incoming drafts. The simple design facilitates easy integration into existing 100mm ventilation setups, providing an immediate upgrade to your air management system.
Suitable for
Residential bathroom ventilation systems
Kitchen exhaust setups requiring backdraft protection
Small office ventilation ducts
Preventing cold air ingress in winter
When it may not be suitable
This valve is not intended for use in industrial environments with high-temperature exhaust gases or aggressive chemical vapors that could degrade the plastic material. It is also not suitable for systems requiring fire-rated dampers or those with duct diameters other than 100mm.
Key specifications
Diameter: 100 mm
Material: Durable plastic
Compatibility: Standard 100mm ventilation ducts
Function: Unidirectional airflow control
How to use
Installation of the CATA B10 PLUS/C E-100 non-return valve is straightforward and requires no specialized tools. Simply insert the valve into the 100mm ventilation duct or directly behind the exhaust fan housing. Ensure that the flap mechanism is oriented correctly to allow air to exit the room while blocking any return flow. Once positioned, verify that the flap moves freely without obstruction to ensure optimal performance.
What to consider before purchase
Verify that your existing ventilation duct has a 100mm diameter.
Ensure there is sufficient space within the duct or fan housing for the valve mechanism.
Check the orientation of your current exhaust system to confirm the valve will be installed in the correct direction.
Usage recommendations
For the best results, inspect the valve periodically to ensure it remains free of dust or debris that could hinder the movement of the flap. Regular maintenance ensures the valve continues to provide an effective seal against backdrafts.

## FAQ

### How much does the CATA B10 PLUS/C E-100 Non-Return Valve cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All CATA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized CATA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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