John Guest · Plumbing
John Guest Union 1/4" Tube
$4.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest prices
We track 43 John Guest products. 0 of the products on this page are currently sold by two or more of the retailers we monitor, and 0 have at least two weeks of price history recorded by us.
John Guest · Plumbing
John Guest Tubing 1/4"
$0.60
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Tubing 3/8"
$0.90
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Stem Elbow 3/8"
$4.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Stem Elbow 1/4"
$4.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Coupler 3/8" x 3/8"
$3.25
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/8" End Stop
$2.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 1/4" End Stop
$2.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest BSPT to John Guest Fitting 3/8" BSPT x 3/8" John Guest
$6.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/8" x 1/4" FFL Female Adapter
$10.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Max Adapter 3/8" CP x 3/8" JG
$18.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Tubing Cutter
$9.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 1/2" Female BSPT x 3/8" Jg
$9.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Tee Union 1/4" x 1/4" x 1/4"
$3.25
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/8 MFL x 3/8" JG
$3.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/4" Female x 3/8" JG
$15.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 1/4" MFL x 3/8" JG
$3.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/8" Stem to 1/4" Reducer
$3.25
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/8" x 3/8" FFL Female Adapter
$17.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Reducing Union 3/8" x 1/4"
$3.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest 3/8" Elbow Connector
$4.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Pipe Thread to John Guest Fitting 1/2" PT x 3/8" JG
$3.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Pipe Thread to John Guest Fitting 1/4" PT x 1/4" JG
$3.95
Single offer
Deal Score pending — no 90-day baseline yet
John Guest · Plumbing
John Guest Check Valve 1/4"
$19.95
Single offer
Deal Score pending — no 90-day baseline yet
How we calculate this
Where prices come from. We read the product data each retailer publishes on its own site, unhurriedly and within the rules that retailer sets. We never work around an access control and we never buy collected data of uncertain provenance.
What “verified” means. An offer can win best price only if it is inside our freshness window, matched to the exact variant, in stock, and free of an unresolved price anomaly. “Best verified price” means lowest among the fresh offers we track — not the lowest price on the internet.
How history works. Every price we observe is stored with its source and timestamp. Daily market low, median and high come from those observations, so the price history on this page is ours, not a retailer’s claim.
What we exclude. Stale offers, mismatched variants, bundles compared against single items, and prices that move implausibly without corroboration from another store.
Images. Product photographs come from the retailer they sit beside, loaded from their own image host. We do not re-host them and claim no rights in them.