Frequently asked questions

What pressure washer do I need for the Clean Car USA Foam King?▾

The Foam King is rated for pressure washers from 500·4,200 PSI and 1.3·5.3 GPM per the listing. Community reviews confirm adequate foam output on gas pressure washers; sub-2.0 GPM electric pressure washers fall inside the listed minimum but are not community-verified for thick coverage. Some owners report incompatibility with a Craftsman pressure washer · sparse signal without enough detail to call a documented compatibility pattern.

Is the Foam King's quick-connect actually stainless steel?▾

Clean Car USA's product infographic labels the 1/4" quick-connect as stainless steel. Whether the brass-toned valve body adjacent to the quick-connect is solid brass or brass-plated is not independently confirmed · the product spec table only lists 'Exterior Finish: Plastic' for the body and does not specify a metal type for the internal valve.

Does the Foam King fit any pressure washer?▾

It uses a standard 1/4" quick-connect fitting compatible with the common US-market consumer machines (Ryobi, Sun Joe, Karcher) without an adapter. M22-threaded lances require a separate 1/4" quick-connect adapter (not included). The listing rates compatibility up to 4,200 PSI.

Does the Foam King leak or have known failure modes?▾

A failure-mode scan of owner reviews and video reviews found no distinct owners reporting a leak, thread strip, body crack, gasket failure, or seal failure on this cannon · below the threshold required to identify a documented pattern. Long-term (3+ season) ownership data is limited; the review corpus skews first-season.

What size is the bottle?▾

32 oz wide-neck bottle per the manufacturer's product infographic (image labeled 'LARGE 32 OZ BOTTLE'). The wide-neck design is a marketed differentiator over category-typical narrow-neck cannons · it eases filling and reduces spillage.

Is this an Amazon Add-On Item?▾

Yes · this listing is flagged as an Amazon Add-On Item, which means it requires a qualifying cart total to purchase standalone on Amazon.

Is the Snubster attachment included?▾

No · the Snubster pressure-washer attachment is sold separately. A bundled kit variant (ASIN B0C4ZZ7D8T) includes the Snubster, a wash mitt, and a towel; this product page covers the standalone cannon.

From the manufacturer

Marketing copy from Clean Car USA, via Amazon. Not editorial.

•POWERFUL SCRATCH FREE WASHING - Use Foam King's foam cannon with any foam cannon soap for pressure washer to create rich foam that lifts dirt and grime safely. Its advanced foaming tech ensures a swirl-free clean, safe for wax and sealant.

•💦 WORKS WITH PRESSURE WASHER - Connects to your pressure washer using a 1/4" quick connector. Pressure: 500 - 4200 PSI, Flow: 1.3 - 5.3 GPM, Max. water temp: 140F. (⚠ Note: The Snubster attachment is NOT included but sold separately)

•Extra-Wide Bottle Neck: Our foam gun car foam sprayer makes filling easy and prevents bottle wear. The durable thread lock ensures an airtight seal for thick suds and powerful foaming action, outlasting traditional foam cannon designs.

•💦 Adjustable Foam & Spray: Our car wash foam cannon features an adjustable air intake and vertical spray pattern. Turn the dilution knob for perfect foam and adjust the lance from a wide fan for full coverage to a narrow stream for tough spots.

•✅ Foam King Guarantee: Our passion is providing our customers with the best car cleaning products. We stand 100% behind our products. If you are not completely satisfied, reach out to us, and we will make it right! Let’s go CLEAN!

Clean Car USA·Foam Cannon

Clean Car USA Foam King Foam Cannon

Name: Foam King Foam Cannon
Brand: Clean Car USA

Small Businesskit

6.8*/10

CarCareTruth ScoreDecent

6.39.56.0

CarCareTruth Score

Decent.

Provisional, owner feedback still building · reviewed May 2026

Ranks #8 of 14in Foam Cannon→

mid-range for Foam CannonExact price on Amazon

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How we score →

The Podium · Top 3 in Foam Cannon

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This product ranks #8 of 14 in Foam Cannon.Three above it ↓

CCT

CarCareTruth's Analysis

Last reviewed May 26, 2026

TL;DR Dwell time unconfirmed · no community source documents a figure in seconds. Plastic body with a marketed stainless-steel 1/4" quick-connect per Clean Car USA's product infographic; long-term durability is not yet community-verified.

What it is and how it performs

A 1/4" quick-connect pressure-washer foam cannon with a plastic body, a marketed stainless-steel quick-connect, and a 32 oz wide-neck bottle. Adjustable foam-ratio knob and an adjustable spray pattern (wide fan / narrow stream). Listed range 500·4,200 PSI / 1.3·5.3 GPM. Owner feedback, still concentrated in the first season, confirms adequate-to-good foam output on gas pressure washers; some owners note the ratio knob turns a little too easily · sparse signal, not a documented pattern. Clean Car USA does not surface in Autogeek or Detailing World long-form threads.

Who should buy this · and who should skip it

Best for home detailers running a gas pressure washer at 2.0+ GPM who want a wide-neck bottle and adjustable spray at the mid-budget tier. Skip if you want multi-season durability data before buying · the review corpus skews first-season. Note: listed as an Amazon Add-On Item · requires a qualifying cart total to purchase on its own.

Safety and environmental impact

Hardware with no chemical exposure pathway · health score 9.5 (Minimal Risk). Plastic body (resin code unspecified) with stainless-steel and brass-toned metal fittings; no manufacturer take-back program documented.