№1
Pilot CON-70 converter
`[maint]` Unlocks bottled ink
Best · FIL
Best Filling Systems
Cartridge/converter, piston, eyedropper, vacuum — capacity, mess, and maintenance compared.
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№2
TWSBI Eco fountain pen
Piston under $40; community favorite
№3
Nahvalur Original Plus fountain pen
Vacuum filler ~$55; colorways
№4
Pilot Custom 823 fountain pen
Vacuum-fill grail-lite (~$300)
№5
Opus 88 Koloro fountain pen
Eyedropper, shut-off valve, capacity
The specimen press
Original nib & ink art, made to order.
