Professional 2 in 1 Formula: 1. Dual Action - Actively seeks out strong odours to neutralise & passively absorbs strong odours too 2. Prevents cross contamination of food flavours- e.g: so milk doesnt taste of fishetc Unique latest generation natural seaweed based formula: Odourless action - will not taint With safety temperature indicator - Sticker turns blue when at 4C or lower With End of Life Indication - Gel level goes down - Replace at indicated level Safe in food environment Spill proof Effective against the 4 main fridge odour types from: cheese & dairy products - meat & poultry - fruit & vegetables - fish & seafood Suitable for all fridges- ideal for large american size fridges Long-lasting & great value lasts up to 90 days