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John Guest

John Guest Acetal Copolymer Tube Fitting, Reducing Straight Union, 3/8" x 5/16" Tube OD (Pack of 10)

✅ In stock
F
Grade
💤 Not a Deal
0.2/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$39.98
Listed $4.40
Analysis Confidence 100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 27, 2026 10:43 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • 💰At 29% above its usual rate, this is currently priced higher than what most shoppers have paid.
  • 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
  • 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0.2/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by Isopure_Water
🚚 Shipping Free Shipping

Product Details

✓Reducing straight union for connecting and disconnecting two inline pipes of different diameters more easily than couplings
✓Accepts nylon and polyurethane tube fittings
✓Made of acetal copolymer plastic for low moisture absorption and high tensile and flexural strength
✓Working pressure of up to 150 psi
✓Meets NSF/ANSI standards 14, 51, and 61 for quality assurance

⚙️ Specifications

Size
3/8" Tube OD x 5/16" Tube OD
Material
Acetal
Brand
John Guest
Color
Gray
Item dimensions L x W x H
7.87 x 7.87 x 1.57 inches
Connector Type
Union
Exterior Finish
Unfinished Acetal
Thread Type
NPT
Number of Pieces
10
Global Trade Identification Number
00665626053269
Manufacturer
John Guest
F
$39.98
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