The product is a new type of water filtration system for home use.
Tagline appealing to authority: "Endorsed by top water experts, our filtration system is the choice of professionals."
Tagline based on fallacy of presumption: "Upgrade to our filtration system and never worry about the quality of your water again."
Tagline based on argumentum ad populum: "Join the millions of satisfied customers who trust our filtration system for their home's water needs."
It's important to note that using fallacies and manipulation tactics in advertising is not ethical and can be misleading to the consumer. It's better to use truthful, clear and honest information to promote a product and its features and benefits.