Besides the length, what is the difference between 4" x 125' and 4" x 250' on 1" core?

To my knowledge the only difference between the two is the amount of Parafilm on each roll. Both are 4"wide, and both have a center hole or 'core' of 1" But one has 125 feet and the other has 250 feet per roll. It also comes in a narrower roll, I believe about 2" wide, which is what I have. I hope this helps, but perhaps contacting the manufacturer would provide a more definitive answer, in the event that I am missing something.

What does pm999 mean? are there different grades or types of parafilm? does the number refer to the size of the tape , or its permeability?

PM999 is the model number. We offer three different sizes of parafilm: 2” x 250’ (Model # PM992), 4” x 125’ (PM996) and 4” x 250’ (PM998).

Please can anyone tell me if it comes in the cardboard box dispenser the 4"250' core?

Mr. Cappello: I purchased the 4" x 125' roll. The box, on the top; Dispense Parafilm Through This Opening. On the side says; For Use In Your Dispenser. At the bottom on the side; a slot says 'pinch here' for a dispensing slot. The Parafilm must be cut, the size you need, off anyway. So, the box works fine for me.

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Parafilm M PM999 All-Purpose Laboratory Film, 4" x 250' on 1" Core

Product ID: 14862897

Details

Brand
Parafilm
Exposures per Roll
12
Film Color
Color
Film Format Type
Parafilm
Model Name
M PM999

💪200% stretch without rupture

📏4" x 250' ultra-long roll

🛡️Resists air, gases & chemicals

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Description

🧪 Seal your success with Parafilm M — the lab film that never quits!

CHEMICAL SHIELD - Protects samples from air, gases, alcohols, acids, and mild alkalies—your lab’s first line of defense.
CONVENIENT PACKAGING - Comes on a 1" core with interlined paper to prevent sticking—ready for seamless use.
INSTANT SELF ADHESION - Bonds instantly to itself—no extra adhesives needed, saving time and hassle.
UNMATCHED FLEXIBILITY - Folds & twists around sharp edges without tearing—durability you can trust.
SUPERIOR STRETCH CAPACITY - Expands up to 200% at room temp for a perfect, secure seal every time.

Parafilm M PM999 is a 4" x 250' semi-transparent, water-resistant laboratory sealing film made in the USA. It stretches up to 200% without rupturing, instantly adheres to itself, and protects samples from air, gases, and many chemicals. Ideal for securely sealing culture tubes, flasks, and petri dishes, it comes on a 1" core roll with interlined paper to prevent sticking, backed by a 1-year manufacturer warranty.

Specifications

ASIN	B006RA7HFS
Best Sellers Rank	#54,121 in Office Products ( See Top 100 in Office Products ) #91 in Stretch Film
Brand	Parafilm
Built-In Media	1 roll of PM999 Parafilm® M All-Purpose Laboratory Film in cardboard dispenser
Compatible Devices	Camera
Customer Reviews	4.5 4.5 out of 5 stars (152)
Exposure Count	12
File Format	120
Film Color	Color
Film Format	Parafilm
Global Trade Identification Number	00734655769998
Item Weight	2 pounds
Lighting Type	Daylight
Manufacturer	Bemis
Manufacturer Part Number	PM999
Media Type	ProductImage
Model Name	M PM999
Model Number	PM999
Number of Items	1
Number of Packs	1
Roll Quantity	1
Screen Size	10 centimeters
UPC	734655769998
Unit Count	1 Count
Warranty Description	1 year manufacturer
Water Resistance Level	Water Resistant

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R2144

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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