Frequently Asked Questions
Every OQVA filter comes with test strips. Use them before and after installation — you'll see the difference in minutes. No guessing, no trust required.
Many customers report noticeable improvements in their skin and hair after switching to filtered shower water. By reducing chlorine and other impurities, the OQVA filter helps create a gentler shower environment that supports healthier-looking skin and hair.
Some of the Results:
- Improves skin hydration and texture
- Supports healthier-looking skin over time
- Softens and helps clear the appearance of skin
- Helps reduce hair frizz
- May help minimize hair shedding caused by harsh water
- Improves natural hair shine
Yes. Unlike vitamin C filters which degrade in heat, KDF-55 performs at all water temperatures.
OQVA fits all standard shower heads with a universal ¾ thread connection. Installation takes under 2 minutes — no tools needed.
The replaceable cartridge should be changed every 3 months for optimal performance. The filter housing itself is built to last for years — simply swap the cartridge and continue using the same unit.
We offer a 30-day money back guarantee — no questions asked.
Many customers report noticeable improvements in their skin and hair after switching to filtered shower water. By reducing chlorine and other impurities, the OQVA filter helps create a gentler shower environment that supports healthier-looking skin and hair.
Some of the Results:
- Improves skin hydration and texture
- Supports healthier-looking skin over time
- Softens and helps clear the appearance of skin
- Helps reduce hair frizz
- May help minimize hair shedding caused by harsh water
- Improves natural hair shine
OQVA fits all standard shower heads with a universal ¾ thread connection. Installation takes under 2 minutes — no tools needed.
We offer a 30-day money back guarantee — no questions asked.