# Respirator Half Mask 3M 745 with Single Cartridge A1-B1-E1-K1

**URL:** https://aio.lv/en/product--3mtm-2351745500000--11850667
**Data updated:** 2026-03-09 17:26 (EET)
**Category:** Personal protective equipment
**Manufacturer:** 3mtm
**Manufacturer code:** 2351745500000
**EAN:** 8423246205336
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 20.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--3mtm-2351745500000--11850667

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Half-face respirator mask 3M model 745 designed for respiratory protection using a single interchangeable cartridge with classifications A1-B1-E1-K1. Provides filtration against organic vapours, inorganic vapours, acid gases and ammonia. Intended for industrial and maintenance tasks where inhalation hazards are present; suitable for use with the corresponding 3M cartridge mounting system.

## Long description

The Respirator Half Mask 3M 745 with Single Cartridge A1-B1-E1-K1 is a reusable half-face respirator designed for respiratory protection in environments with organic vapours, inorganic vapours, acid gases and ammonia. The mask accepts a single interchangeable cartridge using the 3M cartridge mounting system and provides a close-fitting seal to cover nose and mouth while allowing unobstructed field of view and communication. It is intended for industrial, maintenance and laboratory use where exposure to the specified gases and vapours may occur.
Advantages
The 3M 745 half mask offers a balance of protection and user comfort through its ergonomic facepiece shape and adjustable straps that secure fit for prolonged wear. Its single-cartridge configuration simplifies cartridge changes and storage, while the robust construction ensures repeated use in worksite conditions. The design facilitates compatibility with 3M A1-B1-E1-K1 class cartridges for targeted filtration of organic and inorganic vapours, acid gases and ammonia.
Suitable for
 Industrial maintenance and repair tasks with exposure to organic and inorganic vapours
 Painting, solvent handling and surface preparation where organic vapours are present
 Work with acidic cleaners, acid gas exposures and processes generating inorganic acids
 Processes that may release ammonia or ammoniacal compounds
 Laboratory work and testing where single-cartridge respirators are appropriate
Key specifications
 Facepiece type: reusable half-face, covers nose and mouth
 Cartridge configuration: single interchangeable cartridge mounting
 Protection classes supported: A1 (organic vapours), B1 (inorganic vapours), E1 (acid gases), K1 (ammonia)
 Materials: flexible facepiece material for sealing and durability
 Fit adjustment: adjustable head straps for secure fit
 Compatibility: designed to work with corresponding 3M cartridges and mounting system
How to use
Before use, select an appropriate A1-B1-E1-K1 cartridge certified for the target contaminants and install it according to the manufacturer’s instructions into the respirator’s single cartridge mount. Ensure the facepiece is clean and inspect for damage. Place the mask over the nose and mouth, adjust the straps to obtain a snug seal and perform a user seal check by covering the cartridge inlet and inhaling gently to confirm negative pressure. Replace cartridges when breathing resistance increases or when exposure limits are reached. Store the respirator and spare cartridges in a clean, dry place away from direct sunlight and extreme temperatures.
Usage recommendations
Use this half mask only with cartridges certified for the intended contaminants and concentrations. Conduct regular fit testing and training for personnel, follow occupational exposure limits and replace cartridges and damaged components promptly. Do not use in atmospheres that are immediately dangerous to life or health or where oxygen deficiency may occur.

## FAQ

### How much does the 3M 745 Half Mask Respirator cost, and is it available for purchase?

The price is 24.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 74 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 14.07.2026 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 3mtm 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 3mtm 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

https://aio.lv/img/cache/product/11850667/67249272_large.webp