Dr. Joel Kaplan
Erection Cylinder
Erection Cylinder
Size Chart
Circumference | Size | Dimensions |
---|---|---|
Up to 5" | Small | 1.75" |
5.10" - 5.50" | Medium | 2.00" |
5.51" - 6.25" | Large | 2.25" |
6.26" - 8.00" | X-Large | 2.50" |
Note: Medium fits over 80% of men. If unsure, select Medium.
Couldn't load pickup availability
Grow your confidence with Dr. Joel Kaplan's Erection Cylinder, proven to:
✅ Boost Rigidity for Maximum Penetration
✅ Power-Up Blood-flow for Fuller & Robust Erections
✅ Build Stronger Physical Performance
Features Highlights:
✅ Quick disconnect. Compatible with all Dr. Joel Kaplan pumps.
✅ Dr. Joel Kaplan's Pump Training Guide
✅ 30-Day Money-Back Guarantee
✅ Discreet Shipping - All orders are shipped in plain, unmarked boxes.



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We are proud to have empowered over 100,000 men to be bedroom heroes for over 30 years.
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If you are not 100% happy with your pump, we'll refund you - no questions asked.
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We ship your pump within 1 business day in a discreet shipping box for optimum speed and privacy.

Size Matters!
Dr. Joel Kaplan developed different cylinder sizes to maintain a good vacuum seal while allowing enough room for maximum growth. Instead of using a “one size fits all” approach that is less effective, Dr. Kaplan decided to use the best options that will allow for faster and better growth.
If you do not know what size cylinder you need, follow our easy measuring guide to select the perfect fit!
TO GET THE BEST POSSIBLE RESULTS, CHECK OUT DR. KAPLAN'S GENUINE WATER-BASED LUBRICANT
- DOES NOT ERODE CYLINDERS OR PUMP HARDWARE
- EASY CLEAN UP
- OFFICIAL DR. JOEL KAPLAN PRODUCT
- WILL NOT STAIN
Dr. Joel Kaplan
Pumper's Lube (16oz)
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