Sizes & options guide.

Several of our products come in sizes, counts or packs. Here's how to choose — and reach out any time if you're not sure.

Test strip kits (count)

100 Strips	Great for occasional checks and a single household
200–300 Strips	Best value for regular testing or larger homes

Replacement filters (pack)

Single	One replacement cycle — try it or top up
2–3 Pack	A year of cleaner water at the best per-filter price

Insulated bottle (capacity)

Bottles come in 18 oz (everyday carry, fits most cup holders), 24 oz (the all-rounder) and 32 oz (all-day hydration, fewer refills). Between sizes? Go bigger. Still unsure? Ask us — we'll help.