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Domestos Power 5 with Bleach Toilet Rim Block 55g Pack of 6 | eBay
Powerforce Cistern Bleach Block (3) - Compare Prices & Where To Buy - Trolley.co.uk
24 Cistern Blue Green Bleach Blocks Toilet Bowl Freshener Cleaner Bloo Tablets | eBay
Bloo Premium Bleach Rimblock, Blue Coloured Water Toilet Rim Block, with Anti-Limescale, Cleaning Foam, Dirt Protection and Extra Freshness - 12 x Toilet Block : Amazon.co.uk: Grocery
Bloo Colour Active Toilet Rim Block, Bleach, Twin Pack, 2 x 50g (Pack of 6) | DIY at B&Q
Bloo Colour Active Toilet Rim Block, Bleach, Twin Pack, 2 x 50g (Pack of 3) | DIY at B&Q