keyword

best whole house water filter system

Monthly search volume and cost-per-click data for "best whole house water filter system" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+whole+house+water+filter+system&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $9.33 | | competition | 0.8 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
whole house water filter system	201,000	$9.11	17/20
best whole house water filter	49,500	$9.33	20/20
best whole house water filtration system	49,500	$8.13	20/20
best rated whole house water filtration system	49,500	$9.33	19/20
best whole home water filtration system	22,200	$7.96	20/20
whole home water filter reviews	2,900	$5.18	19/20
whole house water filter reviews	2,900	$5.2	17/20
best house water filtration system	2,400	$9.13	20/20
whole house water filtration system reviews	2,400	$6.55	19/20
best whole house water filter consumer reports	1,600	$5.32	17/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=best+whole+house+water+filter+system&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt