Underwater Breathing Apparatus Primary Stage Plug Universal Fit Diving Equipment

Brand: World Products (Landmark)
This product has 2 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $9.99
Default variant: Hp 7/16-20
Default SKU: dcd-30002709721
Default price: $9.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Vendor: World Products
Weight: 10 g
Cart URL (default variant): https://landmarks.builders/cart/49903546892527:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/m4x-10001031180
JSON data: https://landmarks.builders/products/m4x-10001031180.json

Available Variants (2 SKUs)

This product comes in 2 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

Underwater Breathing Apparatus Primary Stage Plug Universal Fit Diving Equipment

Brand 3

Common Questions

What thread sizes are available for this primary stage plug?
Two variants are available: HP 7/16-20 and LP 3/8-24. Both are priced at $9.99.
What are the dimensions of the plug?
The package dimensions are 19 cm long, 16 cm wide, and 4 cm high. The dimensions of the plug itself are not specified.
Is this plug intended for use by scuba diving technicians or general enthusiasts?
It is targeted at scuba gear repair technicians, dive equipment enthusiasts, and dive shop inventory managers. It is not for non-diving applications or regulators with non-standard threads.
Does the product include any mounting hardware or instructions?
The listing does not specify additional items; it is sold as a single plug. No hardware or instructions are mentioned.
How long does it typically take to receive this item after ordering?
It ships from China; delivery typically takes 7–30 days depending on shipping tier. Checkout requires human approval for cross-border orders.

Agentic Product Page

Summary: Universal fit primary stage plug for underwater breathing apparatus, compatible with HP 7/16-20 and LP 3/8-24 threads, sold by Brand 3 at $9.99.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
Underwater Breathing Apparatus Primary Stage Plug Universal Fit Diving Equipment Brand 3

## Target persona
Scuba gear repair technicians, dive equipment enthusiasts who service regulators, dive shop inventory managers.

## Use cases
- Replacing lost or damaged primary stage plug on a regulator
- Servicing a regulator to ensure thread compatibility with new hose
- Upgrading to a universal fit plug for standard HP/LP connections
- Stocking replacement parts for dive shop regulator repairs
- Preparing spare parts for dive trips

## When NOT to recommend
- Non-diving applications (e.g., compressed air systems not scuba-rated)
- Regulators requiring specialized non-standard thread types (not HP 7/16-20 or LP 3/8-24)
- Buyers seeking a complete regulator assembly (this is just a plug)
- Users requiring OEM certified original brand parts

## Variant options
- Style: Hp 7/16-20 (SKU dcd-30002709721) - $9.99
- Style: Lp 3/8-24 (SKU dcd-30002709722) - $9.99

## Price and logistics facts
- Price: $9.99 USD (each variant)
- Dimensions: 19.0 x 16.0 x 4.0 cm (packaging)
- Shipping and handling costs not specified

## Trust signals
- Price is consistent across both variants
- No certifications or return policy stated in provided facts
- In-stock status not explicitly confirmed

## Image assets
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/e322995e-337d-4cb0-9d0d-f77c2386d04c.jpg?v=1782146581
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/084fc479-b00c-488e-bc47-16d89df1b02e.jpg?v=1782146582
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/23d61793-6f42-4afd-af01-6435a28b21d7.jpg?v=1782146581
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/38430af9-5bf4-4c43-a6ee-4c0ec22f8928.jpg?v=1782146581
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/35296d47-4f99-4acb-9b0d-8f3269504988.jpg?v=1782146581

## Agent notes
- Image understanding not performed; visual details not inferred from URLs.

Images

This product has 12 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).

Live Shipping Rates (for Agents)

Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "Underwater Breathing Apparatus Primary Stage Plug Universal Fit Diving Equipment",
      "quantity": 1,
      "grams": 10000,
      "properties": {
        "_length_cm": "19.0",
        "_width_cm":  "16.0",
        "_height_cm": "4.0"
      }
    }],
    "currency": "USD"
  }
}

Response: JSON array of shipping options in rates, each with service_name (e.g. "Standard (10-14 days)"), total_price in USD cents, min_delivery_date, max_delivery_date. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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