do thay make 1/4" NPT ?

No, it is 1/2 NPT oil sight glass

Does this product have an IP rating?

Don’t know the rating. I’ve have got 20 psi on them before with out blowing out

Hello, is this sight window suitable for automotive coolant (water/antifreeze mix)? The ad refers to automotive industries and only mentions oil.

Should be fine with water and coolant, it's brass and glass. Solved my leaky sight glass on a new compressor

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

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Compressor Sight Glass, 1/2'' NPT Sturdy Brass Clear Dome Bulb Sight Gauge, Oil Level Site Glass, Tank Level Indicator Plug Window, Perfect Replacement for Air Compressor、Pump、Tank

Product ID: 131371220

Details

Brand
Boltigen
Color
gold
Compatible Devices
Air Compressor
Material
Brass
Mounting Type
Threaded Mount
Number of Packs
1

🔥300°C max temperature

🔩1/2'' NPT threaded mount

🛠️725 PSI max pressure

HK$162

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔍 See your system’s heartbeat with Boltigen’s crystal-clear sight glass!

VERSATILE COMPATIBILITY - Ideal replacement for air compressors, pumps, and tanks, making your equipment smarter and more efficient.
PRESSURE HEAT TOUGHENED - Engineered to withstand up to 725 PSI and 300°C, perfect for demanding compressor and pump environments.
EFFORTLESS DIY INSTALLATION - Threaded 1/2'' NPT design with red thread sealant guarantees a leak-proof fit—no professional help needed.
BUILT TO LAST WITH PREMIUM BRASS - Sturdy brass body ensures unmatched durability and corrosion resistance for long-term reliability.
CRYSTAL CLEAR TEMPERED GLASS DOME - Provides a flawless, transparent view of oil or liquid levels, eliminating guesswork instantly.

The Boltigen Compressor Sight Glass is a robust 1/2'' NPT brass sight gauge featuring a premium tempered glass dome, designed to provide clear, reliable oil and liquid level monitoring. Rated for 725 PSI and 300°C, it offers superior durability and easy installation, making it the perfect upgrade for air compressors, pumps, and tanks.

Specifications

ASIN	B07RYR7Z58
Best Sellers Rank	#266,793 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #903 in Air-Compressor Accessories
Brand Name	Boltigen
Color	gold
Compatible Devices	Air Compressor, Pump, Tank
Customer Reviews	4.7 4.7 out of 5 stars (72)
Item Display Weight	41.5 g
Lens Color	gold
Manufacturer	Boltigen
Manufacturer Part Number	AH1
Material Type	Brass
Model Name	1/2 inch NPT
Mounting Type	Threaded Mount
Number of Items	1
Number of Packs	1
Product Style	Modern
Reticle Type	Cross
Sport Type	Hunting
Thread Type	NPT
UPC	653334755698
Unit Count	1 Count

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HK$162

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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