# 3M Pre-Filter Cover 501 (MPN 3M501) for Respiratory Protection Systems

**URL:** https://aio.lv/en/product--3m-3m501--11453034
**Data updated:** 2026-03-20 09:49 (EET)
**Category:** Personal protective equipment
**Manufacturer:** 3M
**Manufacturer code:** 3M501
**EAN:** 051141560540
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--3m-3m501--11453034

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

3M Pre-Filter Cover 501 is an accessory designed for use with compatible 3M respiratory protection systems. It secures and protects pre-filters, ensuring proper placement and contributing to effective particulate filtration. Suitable for routine maintenance and replacement tasks in industrial, construction, and maintenance environments where pre-filters are used.

## Long description

3M Pre-Filter Cover 501 is an accessory designed to secure and protect pre-filters used with compatible 3M respiratory protection systems. It ensures correct placement of pre-filters on the respirator facepiece or filter holder, helping to maintain effective particulate filtration performance during routine use and maintenance in industrial, construction and maintenance settings.
Advantages
The pre-filter cover provides reliable mechanical protection for the pre-filter element, reducing the risk of dislodgement and damage during handling and use. Its design supports consistent filter alignment and helps preserve the filtering surface from external contact, which contributes to predictable filtration efficiency. The cover is lightweight and intended for easy installation and replacement as part of regular respirator maintenance.
Suitable for
Routine replacement and maintenance of respirator pre-filters
Industrial environments with airborne particulates
Construction and renovation sites where pre-filters are used
Workshop and facility maintenance tasks requiring particulate protection
Key specifications
Function: secures and protects pre-filters on compatible respiratory protection systems
Material characteristics: lightweight, rigid cover designed for mechanical protection (material specifics vary by manufacturer)
Compatibility: intended for use with compatible 3M respirator pre-filter assemblies
Installation: snap-on or clip-fit design for straightforward attachment and removal
How to use
Align the pre-filter cover with the pre-filter and the respirator's filter holder, ensuring the pre-filter is seated correctly on the facepiece or filter carrier. Press the cover into place until it engages with the retention points or clips; verify that the cover secures the pre-filter without gaps or misalignment. Replace the cover whenever it shows signs of damage, deformation or when performing scheduled pre-filter changes according to the respirator's maintenance instructions.
Usage recommendations
Inspect the cover and pre-filter before each use to ensure proper fit and integrity. Follow the respirator manufacturer’s guidance on compatible pre-filters and correct replacement intervals. Store spare covers and pre-filters in a clean, dry environment to avoid contamination prior to installation.

## FAQ

### How much does the 3M Pre-Filter Cover 501 cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 09.07.2026 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 3M 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 3M 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/11453034/66089856_large.webp