Consumables Cost Analysis
(A) Price range of different types of cartridges
The price of different types and brands of filter cartridges varies greatly. PP cotton filter cartridge price is relatively low, usually in the tens of dollars; activated carbon filter cartridge price according to its quality and functionality, from tens of dollars to hundreds of dollars; ultrafiltration membrane filter cartridge price is usually in the hundreds of dollars; and reverse osmosis membrane filter cartridge due to its high technical content, the price of more than 1,000 dollars or more. Some high-end brands of special features of the cartridge price may be higher, for example, with a long-lasting antibacterial, in addition to viruses and other functions of the cartridge.
(B) the cost of long-term use
Take an ordinary family as an example, if the use of five-stage filtration water purifier (PP cotton, activated carbon, compressed activated carbon, reverse osmosis membrane, after the activated carbon), assuming that the PP cotton cartridge replaced every 3 months, the cost of 30 yuan; activated carbon cartridge replaced every 6 months, the cost of 80 yuan; compressed activated carbon cartridge replaced every 6 months, the cost of 100 yuan; reverse osmosis membrane cartridge replaced every 2 years, the cost of 1000 yuan; after the activated carbon cartridge replaced every 2 years, the cost of 1000 yuan; after the activated carbon cartridge replaced every 2 years, the cost of 1000 yuan, the cost of 1000 yuan. The cost is 1,000 yuan; the cost of replacing the activated carbon cartridge is 50 yuan every 1 year. Then the annual cost of the cartridge consumables is about (30 × 4) + (80 × 2) + (100 × 2) + (1000 ÷ 2) + 50 = 120 + 160 + 200 + 500 + 50 = 1030 yuan. This is only a rough estimate and the actual cost may fluctuate due to factors such as brand, purchasing channel, etc.
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(C) Cost Comparison with Other Drinking Water Options
Compared with the purchase of bottled water, if a family drinks 5 barrels of bottled water per month, and each barrel of water is calculated at $20, the cost for one year will be 5×20×12 = $1200. In the short term, the two costs are similar, but there is a risk of secondary contamination of barrel water and it is not convenient enough to use. Compared with boiling water to drink, although the cost of boiling water is lower, but can not remove heavy metals in the water, chemical pollutants, etc., from the point of view of health protection, water purifier in the long-term use of its unique value, despite the existence of the cartridge consumables costs.