No products in the cart.
Plastic Adaptor neck 450sq / spigot 300dia - Grille Adaptors & Accessories - PLAD45/30
Image is for illustration only. Please go by the model number (SKU: PLAD45/30).
-42%Roll over image to zoom in
$77.48$132.98 (-42%)
Price Match*
Price Match*
Discount per Quantity
| Quantity | Discount | Price |
|---|
| 1 - 4 | 0% | $77.48 | |
| 5 - 9 | 8% | $71.28 | |
| 10 - 19 | 12% | $68.18 | |
| 20 + | 18% | $63.53 |
⚠️ Important Compatibility Notice
Please double-check the required specifications with your qualified technician or installer prior to ordering. Due to the technical nature of this product, incorrect orders cannot be exchanged, replaced, or refunded. Thank you for your understanding.
Professional HVAC Component: Plastic Adaptor neck 450sq / spigot 300dia
You are viewing the Plastic Adaptor neck 450sq / spigot 300dia (SKU: PLAD45/30). A professional-grade component from the Grille Adaptors & Accessories series, engineered for New Zealand’s residential and commercial ventilation systems. Sourced directly from our trade supply chain for NZ Depot.
⚠️
Technical Verification Required
Ventilation components require precise sizing. Please verify that this PLAD45/30 model matches your system’s diameter and connection type (e.g., Big End vs Small End) before ordering.
Key Specs:
Category: Grille Adaptors & Accessories
Type: Plastic Neck Adaptor
Product Specifications
The PLAD45/30 Plastic Neck Adaptor connects square grilles to round ducting. It provides a secure, low-resistance transition between grille and duct, ensuring efficient airflow.
Application
Used to connect a square grille (neck size 450 x 450) to round ducting (spigot diameter 300). Ideal for residential and commercial HVAC systems requiring adaptable grille-to-duct connections.
Features / Benefits
- Lightweight, durable plastic construction
- Simple push-fit installation
- Smooth internal transition for improved airflow
- Available in a range of neck and spigot size combinations
Products specifications
| Attribute name | Attribute value |
|---|---|
| Grille Specifications | |
| Installation location | Ceiling |
| Application | Commercial & Domestic |
| Shape | Square |
| Material | Plastic |
| Colour | Black |
| Neck Size (mm) | 450 x 450 |
| Spigot Diameter (mm) | 300 Ø |
Professional HVAC Supply: Plastic Adaptor neck 450sq / spigot 300dia
You are viewing the Plastic Adaptor neck 450sq / spigot 300dia (SKU: PLAD45/30). A critical component within our Grille Adaptors & Accessories range, designed specifically for New Zealand’s residential and commercial ventilation requirements. Sourced directly from our trade supply chain for NZ Depot.
⚠️
Important: Measurement Verification
HVAC components require precise sizing. Please confirm this PLAD45/30 model matches your engineer’s specifications before ordering.
Dimensions: Length: mm | Width: 300mm | Height: 300mm.
Technical Specifications & Features
The PLAD45/30 Plastic Neck Adaptor connects square grilles to round ducting. It provides a secure, low-resistance transition between grille and duct, ensuring efficient airflow.
Application
Used to connect a square grille (neck size 450 x 450) to round ducting (spigot diameter 300). Ideal for residential and commercial HVAC systems requiring adaptable grille-to-duct connections.
Features / Benefits
- Lightweight, durable plastic construction
- Simple push-fit installation
- Smooth internal transition for improved airflow
- Available in a range of neck and spigot size combinations
Products specifications
| Attribute name | Attribute value |
|---|---|
| Grille Specifications | |
| Installation location | Ceiling |
| Application | Commercial & Domestic |
| Shape | Square |
| Material | Plastic |
| Colour | Black |
| Neck Size (mm) | 450 x 450 |
| Spigot Diameter (mm) | 300 Ø |
About the Plastic Neck Adaptor Series
Height of PLAD series adaptors - 110-120mm
Other sizes available on request
Additional information
| Dimensions | 300 × 300 mm |
|---|---|
| MPN | |
| Application | |
| Material | |
| Shape | |
| Colour |
Reviews
50%
50%
0%
0%
0%
Only logged in customers who have purchased this product may leave a review.

Frankie –
Perfect choice
Andrew –
Fantastic item
Kevin –
Quality item
Isabelle –
Absolutely perfect buy
Aria –
Superb quality service
Julie –
Very satisfied with it
Eliana –
Really pleased
Stephen –
Superb product service quality
Evelyn –
Really awesome product service quality buy item purchase
Alice –
Very thrilled with product service