We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

INSTOCK Fume Hood Alarm: 5 3/4 in Overall Lg, 3 1/8 in Overall Wd, Plastic, Airflow Monitor - Fume Hood Airflow Monitors
INSTOCKFume Hood Airflow Monitors

INSTOCK Fume Hood Alarm: 5 3/4 in Overall Lg, 3 1/8 in Overall Wd, Plastic, Airflow Monitor

The INSTOCK Fume Hood Alarm (MPN GRAFA4000) is a plastic airflow monitor with a 5 3/4 in overall length and 3 1/8 in overall width, operating at 120V AC. It is compatible with manufacturer model number GRF-350-72G7-2.

SKU 3G-OTH-363696

Also listed as: GRAFA 4000 · GRAFA-4000

Brand
INSTOCK
Item
Fume Hood Alarm: 5 3/4 in Overall Lg, 3 1/8 in Overall Wd, Plastic, Airflow Monitor
Category
Fume Hood Airflow Monitors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

INSTOCK
Manufacturer Part Number
GRAFA4000
Type
Plastic, Airflow Monitor
Material
Plastic
AC
120V
Voltage
120V AC
Overall Wd
3 1/8 in
Product Type
Airflow Monitor
Compatible with Manufacturer Model Number
GRF-350-72G7-2

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

INSTOCK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INSTOCK Fume Hood Alarm (MPN GRAFA4000) is a plastic airflow monitor with a 5 3/4 in overall length and 3 1/8 in overall width, operating at 120V AC. It is compatible with manufacturer model number GRF-350-72G7-2.

Frequently Asked Questions

What is the INSTOCK GRAFA4000 fume hood alarm used for?

The INSTOCK GRAFA4000 fume hood alarm monitors airflow in laboratory fume hoods to alert users if face velocity drops below safe levels. It helps protect personnel from exposure to hazardous fumes, vapors, or particulates in research, pharmaceutical, and industrial lab environments.

What are the specifications of the INSTOCK GRAFA4000 airflow monitor?

The INSTOCK GRAFA4000 is a plastic airflow monitor with overall dimensions of 5 3/4 in length and 3 1/8 in width. It operates on 120V AC and is compatible with manufacturer model number GRF-350-72G7-2. The device provides continuous airflow status indication for fume hood safety.

Where to buy the INSTOCK GRAFA4000 fume hood alarm worldwide?

3G Electric supplies the INSTOCK GRAFA4000 fume hood alarm to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team to place an order or request a quote for this airflow monitor and other industrial safety equipment.

How to install the INSTOCK GRAFA4000 fume hood alarm?

Install the INSTOCK GRAFA4000 by mounting it on the fume hood sash or frame per the manufacturer's instructions. Connect the 120V AC power supply and verify the alarm activates during low-flow conditions. Always follow local electrical codes and consult a qualified technician for installation.

Used in

Common applications for INSTOCK
Chemical laboratories — INSTOCK epoxy work surfaces (SKU 55NX01) for fume hoods handling corrosive substances.
Material storage — INSTOCK wire shelf dividers (SKU 55NY33) for organizing small parts in industrial shelving.
Educational institutions — INSTOCK adjustable-height phenolic lab tables (SKU 819N97) for flexible classroom setups.
Pharmaceutical research — INSTOCK heavy-duty epoxy tables (SKU 819N80) for equipment requiring high load capacity.
Industrial maintenance — INSTOCK cold water fittings (SKU 55NW95) for fume hoods in chemical processing plants.

INSTOCK Products

3G Electric supplies INSTOCK fume hood airflow monitors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
INSTOCK Fume Hood Fitting: Fume Hood Fittings, 2 3/4 in Overall Wd, 20 in Overall Lg, Brass (MPN GRL3185N-LR-G)
INSTOCK
INSTOCK Fume Hood Fitting: Fume Hood Fittings, 2 3/4 in Overall Wd, 20 in Overall Lg, Brass (MPN GRL3185N-LR-G)
INSTOCK Fume Hood Fitting: Fume Hood Fittings, 2 3/4 in Overall Wd, 20 in Overall Lg, Brass (MPN GRL3185N-LR-V)
INSTOCK
INSTOCK Fume Hood Fitting: Fume Hood Fittings, 2 3/4 in Overall Wd, 20 in Overall Lg, Brass (MPN GRL3185N-LR-V)
INSTOCK Fume Hood Fitting: Fume Hood Fittings, 2 3/4 in Overall Wd, 20 in Overall Lg, Brass (MPN GRL3185N-LR-A)
INSTOCK
INSTOCK Fume Hood Fitting: Fume Hood Fittings, 2 3/4 in Overall Wd, 20 in Overall Lg, Brass (MPN GRL3185N-LR-A)
Brass fume hood fitting with overall length of 6 inches and width of 1 3/4 inches. Compatible with manufacturer model number GRF-350-60G7. Used for water supply in laboratory fume hood ventilation systems
INSTOCK
Brass fume hood fitting with overall length of 6 inches and width of 1 3/4 inches. Compatible with manufacturer model number GRF-350-60G7. Used for water supply in laboratory fume hood ventilation systems
This brass fume hood fitting is designed for use in laboratory fume hood exhaust systems to connect ductwork and maintain proper airflow. It has an overall length of 20 inches and an overall width of 2 3/4 inches. Compatible with manufacturer model number GRF-350-48G7-2
INSTOCK
This brass fume hood fitting is designed for use in laboratory fume hood exhaust systems to connect ductwork and maintain proper airflow. It has an overall length of 20 inches and an overall width of 2 3/4 inches. Compatible with manufacturer model number GRF-350-48G7-2
INSTOCK Fume Hood: 4 ft Overall Wd, 33 in Overall Dp, 380 CFM, Petal White, 120V AC, Personnel (MPN GRF-350-48G7-2)
INSTOCK
INSTOCK Fume Hood: 4 ft Overall Wd, 33 in Overall Dp, 380 CFM, Petal White, 120V AC, Personnel (MPN GRF-350-48G7-2)

More from INSTOCK

View all INSTOCK parts