id,category,product,part,part_number,fits,does_not_fit_or_caveat,maker_interval,changes_per_year_low,changes_per_year_high,pack_price_gbp,pack_size,unit_price_gbp,cost_per_year_low_gbp,cost_per_year_high_gbp,black_pages_per_cartridge,pence_per_black_page,price_note,evidence_type,status,source_urls,date_read,dataset,version
LI-RP-001,Water filter jugs,"BRITA jugs (Marella, Aluna, Style, Glass Jug) and BRITA Flow",BRITA MAXTRA PRO Pure Performance (formerly All-in-1),MAXTRA PRO,"All BRITA jugs and the BRITA Flow tank, per BRITA's product copy",Argos's BRITA brand page adds an exception: the Classic range,"Up to 150 litres, or four weeks at the latest",13,13,,,,,,,,"From £24.37 on brita.co.uk on the day; pack size not recorded, so no yearly cost is given",Maker page and retailer listings carrying maker copy,Conflict flagged,https://brita.co.uk/water-filters-cartridge | https://sainsburys.co.uk/groceries/product/brita-maxtra-pro-all-in-1-water-filter-cartridge-single | https://www.argos.co.uk/sd/brita,10 November 2026,LI-DS-0002,1.0.0
LI-RP-002,Water filter jugs,BRITA jugs in hard water areas (above 200 mg/l),BRITA MAXTRA PRO Limescale Expert,MAXTRA PRO,Same jugs as the Pure Performance cartridge,Same Classic range exception on Argos's page,"Up to 150 litres, or four weeks at the latest",13,13,,,,,,,,From £26.97 on brita.co.uk on the day; pack size not recorded,Maker page and retailer listings carrying maker copy,Conflict flagged,https://brita.co.uk/water-filters-cartridge | https://www.argos.co.uk/sd/brita,10 November 2026,LI-DS-0002,1.0.0
LI-RP-003,Water filter jugs,"Aqua Optima jugs, and BRITA jugs as a third-party fit",Aqua Optima Evolve+,Evolve+,"Aqua Optima's copy says over 90% of filter jugs, naming BRITA Maxtra, Maxtra+ and PerfectFit","BRITA does not list it. Fit on BRITA jugs is Aqua Optima's claim, not BRITA's",30 days. Capacity is 100 litres on one listing and 150 litres on another,12,12,12.0,3,4.0,48.0,48.0,,,£12.00 for 3 at Tesco on the day,Retailer listings carrying the maker's copy,Conflict flagged,https://www.tesco.com/shop/en-GB/products/313371513 | https://groceries.morrisons.com/products/aqua-optima-water-filter-evolve-638203011,10 November 2026,LI-DS-0002,1.0.0
LI-RP-004,Dehumidifiers,"MeacoDry Arete One and Arete Two, 18L, 20L and 25L","Meaco H13 HEPA filter, pack of 3",Arete 18L/20L/25L HEPA,"Arete One and Arete Two in 18L, 20L and 25L","Not the 6L, 10L or 12L models, which take their own filters",Roughly every 3 months,4,4,39.99,3,13.33,53.32,53.32,,,£39.99 for 3 on meaco.com (£35.99 on subscription),Maker's product page,Verified at maker,https://www.meaco.com/products/meacodry-arete-one-hepa-filter,10 November 2026,LI-DS-0002,1.0.0
LI-RP-005,Dehumidifiers,MeacoDry Arete One 6L,"Meaco H13 HEPA filter for the 6L, pack of 3",Arete One 6L HEPA,Arete One 6L only,No other Arete model,About every 3 months,4,4,19.99,3,6.6633,26.65,26.65,,,"£19.99 for 3 on meaco.com, out of stock on the day",Maker's product page,Verified at maker,https://www.meaco.com/products/arete-one-6l-hepa-filter,10 November 2026,LI-DS-0002,1.0.0
LI-RP-006,Air purifiers,Levoit Core Mini,Levoit Core Mini-RF filter,Core Mini-RF,Levoit Core Mini,The UK manual's Amazon code for the filter (B09GTRVJQM) returned Page Not Found on 8 November 2026,"Every 4 to 6 months, per the UK manual",2,3,21.99,1,21.99,43.98,65.97,,,"£21.99 on Amazon UK, sold by Amazon, 8 November 2026","Maker's manual and listing, as read for our head-to-head",Verified at maker,https://lookinto.co.uk/home-and-garden/levoit-core-mini-vs-philips-600-series/,8 November 2026,LI-DS-0002,1.0.0
LI-RP-007,Air purifiers,Philips 600 Series,Philips FY0611/30 filter,FY0611/30,Philips 600 Series,Not checked against other Philips series,"Up to 12 months, per Philips, so one a year is a minimum",1,1,34.86,1,34.86,34.86,34.86,,,"£34.86 on Amazon UK, sold by Amazon, 8 November 2026","Maker's filter listing, as read for our head-to-head",Verified at maker,https://lookinto.co.uk/home-and-garden/levoit-core-mini-vs-philips-600-series/,8 November 2026,LI-DS-0002,1.0.0
LI-RP-008,Air purifiers,Blueair Blue Pure 511,Blueair genuine replacement filter for the 511,Blue Pure 511 filter,Blueair Blue Pure 511,Not checked against other Blue Pure models,"Every 6 months, per Blueair",2,2,25.0,1,25.0,50.0,50.0,,,"£25.00 on Amazon UK, 10 September 2026","Maker's listings, as read for our air purifier guide",Verified at maker,https://lookinto.co.uk/home-and-garden/best-air-purifiers-uk/,10 September 2026,LI-DS-0002,1.0.0
LI-RP-009,Air purifiers,Winix 5500-2,Winix Filter H,Filter H,Winix 5500-2,Not checked against other Winix models,"Every 12 months, per Winix",1,1,53.37,1,53.37,53.37,53.37,,,"£53.37 on Amazon UK, 10 September 2026","Maker's listings, as read for our air purifier guide",Verified at maker,https://lookinto.co.uk/home-and-garden/best-air-purifiers-uk/,10 September 2026,LI-DS-0002,1.0.0
LI-RP-010,Electric toothbrush heads,"Oral-B Vitality, Pro, Smart and Genius handles","Oral-B everyday heads (CrossAction, Precision Clean and the rest of the non-iO range)",Oral-B non-iO heads,"Vitality, Pro, Smart and Genius handles, per Oral-B UK",Oral-B iO handles and Pulsonic handles,"Every 3 months, per Oral-B. The Oral Health Foundation says two to three",4,6,20.25,10,2.025,8.1,12.15,,,"Pro CrossAction 10 pack, £20.25 on Amazon UK, 28 October 2026 (a half price deal that day)","Maker's UK page, plus prices from our brush head guide",Verified at maker,https://www.oralb.co.uk/en-gb/products/replacement-brush-heads | https://lookinto.co.uk/health-and-wellbeing/best-electric-toothbrush-heads-uk/,10 November 2026,LI-DS-0002,1.0.0
LI-RP-011,Electric toothbrush heads,Oral-B iO handles (every iO series),"Oral-B iO heads (Ultimate Clean, Gentle Care, Radiant White)",Oral-B iO heads,Oral-B iO handles only,Every non-iO Oral-B handle. And non-iO heads do not fit an iO handle,"Every 3 months, per Oral-B. The Oral Health Foundation says two to three",4,6,34.0,8,4.25,17.0,25.5,,,"iO Ultimate Clean 8 pack, £34.00 on Amazon UK, 28 October 2026","Maker's UK page, plus prices from our brush head guide",Verified at maker,https://www.oralb.co.uk/en-gb/products/replacement-brush-heads | https://lookinto.co.uk/health-and-wellbeing/best-electric-toothbrush-heads-uk/,10 November 2026,LI-DS-0002,1.0.0
LI-RP-012,Electric toothbrush heads,Philips Sonicare rechargeable handles (click-on),Philips Sonicare click-on heads (C1 ProResults and the rest of the click-on range),Sonicare click-on,"Most Sonicare rechargeable handles, per Philips UK support","Philips One, and the older screw-on Essence and Xtreme handles","Every 3 months, per Philips",4,6,19.99,4,4.9975,19.99,29.98,,,"C1 ProResults 4 pack, £19.99 on Amazon UK, 28 October 2026","Maker's UK support page, plus prices from our brush head guide",Verified at maker,https://www.philips.co.uk/c-f/XC000006597/which-brush-head-fits-my-sonicare-toothbrush | https://lookinto.co.uk/health-and-wellbeing/best-electric-toothbrush-heads-uk/,10 November 2026,LI-DS-0002,1.0.0
LI-RP-013,Electric toothbrush heads,Philips One and Philips One for Kids,Philips One heads,Philips One heads,Philips One and Philips One for Kids only,Every click-on Sonicare handle,Not recorded,,,,,,,,,,Not priced,Maker's UK support page,Verified at maker,https://www.philips.co.uk/c-f/XC000006597/which-brush-head-fits-my-sonicare-toothbrush,10 November 2026,LI-DS-0002,1.0.0
LI-RP-014,Printers,Canon PIXMA TS3750i,Canon PG-575XL black (CL-576XL colour),PG-575XL / CL-576XL,Canon PIXMA TS3750i,"The standard PG-575 black is 100 pages for £13.99, which is 14p a page","400 black pages per cartridge, maker's yield",,,27.49,1,27.49,,,400,6.87,"£27.49 at Canon UK, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://www.canon.co.uk/store/pixma-ts-3750i-cartridges/ | https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-015,Printers,HP DeskJet 2922,HP 308e black,HP 308 / 308e,HP DeskJet 2922,HP's page says the printer blocks cartridges using non-HP chips. The standard 308 black is 160 pages,"320 black pages per cartridge, maker's yield",,,25.99,1,25.99,,,320,8.12,"£25.99 on Amazon UK, sold by Amazon, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-016,Printers,Epson Expression Home XP-2200,Epson 604XL black,604 / 604XL,Epson Expression Home XP-2200,"The standard 604 black is 150 pages for £15.99, which is 10.7p a page","500 black pages per cartridge, maker's yield",,,33.99,1,33.99,,,500,6.8,"£33.99 at Epson UK, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-017,Printers,Canon PIXMA TS7750i,Canon PG-585XL black (CL-586XL colour),PG-585XL / CL-586XL,Canon PIXMA TS7750i,Not checked against other PIXMA models,"300 black pages per cartridge, maker's yield",,,27.49,1,27.49,,,300,9.16,"£27.49 at Canon UK, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://www.canon.co.uk/store/pixma-ts-7750i-cartridges/ | https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-018,Printers,HP LaserJet M110w,HP 142A black toner,HP 142A (W1420A),HP LaserJet M110w,HP says the printer is meant to work only with cartridges that have a new or reused HP chip,"950 black pages per cartridge, maker's yield",,,48.96,1,48.96,,,950,5.15,"£48.96 on Amazon UK, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://www.hp.com/gb-en/shop/products/supplies/hp-142a-black-original-laserjet-toner-cartridge-w1420a | https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-019,Printers,Brother HL-L2400DW,Brother TN-2510XL black toner,TN-2510XL,Brother HL-L2400DW,The printer ships with a 700-page starter toner,"3,000 black pages per cartridge, maker's yield",,,90.82,1,90.82,,,3000,3.03,"£90.82 on Amazon UK, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://store.brother.co.uk/devices/laser/hl/hll2400dw | https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-020,Printers,Epson EcoTank ET-2861,Epson 104 black ink bottle,104 EcoTank,Epson EcoTank ET-2861,Bottle price was a promotion; expect more now,"4,500 black pages per cartridge, maker's yield",,,9.45,1,9.45,,,4500,0.21,"£9.45 at Epson UK, on a promotion that ended 30 September 2026, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://www.epson.co.uk/en_GB/products/ink-and-paper/ink-consumables/104-ecotank-ink-series/p/22808 | https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0
LI-RP-021,Printers,Epson EcoTank ET-2950,Epson 102 black ink bottle,102 EcoTank,Epson EcoTank ET-2950,Bottle price was a promotion; expect more now,"7,500 black pages per cartridge, maker's yield",,,14.85,1,14.85,,,7500,0.2,"£14.85 at Epson UK, on a promotion that ended 30 September 2026, 15 September 2026","Maker's UK pages, as read for our printer guide",Verified at maker,https://www.epson.co.uk/en_GB/products/ink-and-paper/ink-consumables/102-ecotank-ink-series/p/22050 | https://lookinto.co.uk/tech-gadgets/best-printers-uk/,15 September 2026,LI-DS-0002,1.0.0