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Hicarer 4-Pack 3/8″ Brass Compression Cap Valves

$5.99 on Amazon.com (as of October 19, 2026, 10:04 AM EST) View details ↗

Upgrade your gas line or plumbing projects with the **Hicarer 4-Pack 3/8″ Brass Compression Cap Valves**, designed for effortless installation and long-lasting durability. Crafted from high-quality brass, these compression caps deliver superior corrosion resistance and strength, ensuring a secure, leak-free seal for both professional and DIY applications. Whether you're working on industrial equipment, residential gas lines, or maintenance tasks, their **3/8″ universal fit** makes them a versatile solution for a wide range of compression fitting needs.

The set includes **four brass caps**, providing ample quantity for larger projects or frequent use while offering cost efficiency. Their **user-friendly design** allows for quick installation and removal, even in tight spaces, while the included washers ensure a tight, reliable seal. Ideal for gas lines, pipe fittings, or flare tube covers, these caps combine functionality with a polished brass finish—perfect for both practical repairs and aesthetic consistency in professional or home settings.

Quantity4 pieces
Thread Size3/8″
MaterialBrass
CompatibilityGas lines, pipe fittings, flare tube covers (3/8″ threads)
Included ComponentsWashers (for sealing)
Are these caps suitable for high-pressure gas line applications?
While the brass construction ensures durability, always verify compatibility with your specific system’s pressure requirements—these caps are designed for standard 3/8″ compression fittings.
Can I reuse these caps after removing them from a gas line?
Yes, but inspect the threads and washers for damage before reuse to maintain a leak-proof seal.
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