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BLUEAIR Blueair Genuine HEPASilent Replacement Filter for Blue 3450i Air Purifier – Removes 99.97% of Pollen, Dust, Pet Dander, Mould, Bacteria & Viruses Activated Carbon Reduces VOCs, Odours, Chemicals

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Out of stock 140 days · last price £70 · longest previous gap was 32 days

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 447 days • 447 data points (No recent data available)

Historical
Generating forecast...
£70.21 £48.36 £53.13 £57.90 £62.66 £67.43 £72.20 01 November 2024 20 February 2025 12 June 2025 01 October 2025 21 January 2026

Price Distribution

Price distribution over 447 days • 5 price ranges

Days at Price
Current Price
52 days 2 days 112 days 68 days 213 days · current 0 53 107 160 213 £50-54 £54-58 £58-62 £62-66 £66-70 Days at Price

Price Analysis

Most common range: £66-70 (213 days, 47.7%)

Price range: £50 - £70

Price levels: 5 price ranges over 447 days

Key Features

GENUINE BLUEAIR 3450i REPLACEMENT FILTER: Created by Blueair and specifically designed to be compatible with the Blueair 3450i air purifier to guarantee optimal performance and maximum filtration efficiency

SUPERIOR QUALITY HEPASILENT FILTER: The combination particle and carbon filter removes 99.97 percent of airborne particles, down to 0.1 microns in size due to Blueair’s unique HEPASilent filtration technology

EFFECTIVE 2-STAGE FILTRATION: The particle filter traps airborne particles including pollen, dust, mould, pet dander, viruses, bacteria; Activated coconut carbon absorbs light gases, including VOCs, chemicals, and odours from pets, smoke, and cooking

NATURALLY ANTIBACTERIAL: The naturally antibacterial polypropylene fibres in Blueair filters prevent bacteria and mould growth, so our filters never put bacteria and mould back into the air

UP TO 9 MONTH FILTER LIFE: To maintain optimum performance for your 3450, we recommend changing your filter once every 6-9 months when used 24 hours a day; only use Blueair filters to keep your air purifier in the best working condition

Product Specifications

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