£89.42

BLUEAIR Blueair Blue Signature Large Replacement Filter

112973

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£89 today · usual range £78–£137 · best ever £78

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Price History & Forecast

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

Last 55 days • 55 data points (No recent data available)

Historical
Generating forecast...
£136.81 £72.65 £86.65 £100.65 £114.64 £128.64 £142.64 05 April 2026 18 April 2026 02 May 2026 15 May 2026 29 May 2026

Price Distribution

Price distribution over 55 days • 9 price levels

Days at Price
Current Price
6 days 3 days · current 6 days 10 days 1 day 10 days 13 days 5 days 1 day 0 3 7 10 13 £78 £89 £90 £115 £119 £121 £134 £135 £137 Days at Price

Price Analysis

Most common price: £134 (13 days, 23.6%)

Price range: £78 - £137

Price levels: 9 different prices over 55 days

Description

Blueair Blue Signature Large Replacement Filter

Key Features

PERFECT FIT – Patent-pending replacement filter designed and tested exclusively for the Blueair Blue Signature SP4i. Ensures a seamless fit and peak purifier performance with every change. Air Purifier ASIN is B08KTH125D

QUALITY FILTRATION – Captures 99.97%* of airborne particles as small as 0.1 microns, including pollen, dust, pet dander, and smoke—for cleaner, healthier air.

IDEAL PERFORMANCE – HEPASilent dual filtration delivers faster, quieter, and more energy-efficient purification than standard HEPA filters.** Maintain clean air without disruption.

ODORS BLOCKED – OdorFence Technology uses bio-based enzymes and minerals to break down odors and gas molecules, removing up to 10x more odor.***

REAL-TIME FILTER PERFORMANCE – Powered by our proprietary RealTrack algorithm, which monitors actual usage and alerts you precisely when it’s time to replace. Now with up to 12 months of use—double* the filter life thanks to our patent-pending design.

EASY MAINTENANCE – Built for everyday use with a quick-swap, patent-pending filter that’s easy to replace—no tools, no hassle. Designed to keep maintenance stress-free.

Product Specifications

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