The barbs (the removable parts the hose attaches to) break off when someone accidentally steps on them. Do they sell replacements?

I assume you mean the protrusions the 1/4" drip lines can attach to. No., once they are broken you can either replace the entire quad, or, if you only need 3 drip lines, you can seal the broken one with a screw that will fit into the opening left after the break.

For the seller: Do these come with caps like in the first picture?

The bottom is threaded for the riser, the top is threaded for your choice of sprinkler heads. Mine did not come with a top head.

Does the 1/2 cap unscrew?

Hopefully I understand the question. The item screws onto a riser. The top will either take a cap, screwed on, or another 1/2 inch sprinkler. The "arms" are dripper attachments that are threaded for added security for the dripper hose.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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4-Port Riser Extension

产品编号: 10294997

细节

Brand
Orbit
Color
Black
Material
Plastic
Style
Sprinkler
Item dimensions L x W x H
3.5 x 8.75 x

💧Precise 1/4-inch drip tubing fit

🔄360° rotating barbs for easy install

⚙️Multiple port configurations

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S$9

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描述

💧 Revolutionize your garden’s hydration game with precision and ease!

EFFORTLESS SETUP - 360-degree rotating barbs make tubing insertion a breeze—save time and skip the hassle.
BUILT TO LAST OUTDOORS - Durable materials engineered for cold water use, trusted by pros and homeowners alike.
OPTIMIZED FLOW CONTROL - Flow control versions ensure exact water distribution for professional-grade irrigation.
DEBRIS RESISTANT DESIGN - Supports 120-mesh filter installation to keep your system clog-free and running smoothly.
TAILORED WATERING PRECISION - Customizable port options for spray & drip setups to fit your unique garden needs.

The Orbit Drip Irrigation Manifold is a versatile, durable irrigation hub designed for precise water delivery via 1/4-inch tubing. Featuring multiple port configurations and 360-degree rotating barbs, it enables quick installation and customizable setups for both spray and drip systems. With optional flow control versions and compatibility with debris filters, it ensures efficient, clog-free watering ideal for homeowners and professional growers seeking reliable, high-performance irrigation.