Buy ‘filter’ with Bitcoin Crypto-Currency – Spendabit

Smoke Buddy Junior Personal Air Filter

Kenko 37mm Circular Polarizer Filter PL

$14.01 at Scan Computers

Lightforce FAB 240mm Polycarbonate Amber Filter

$25.00 at Ozautoelectrics

1/4" Male -1/4" Tube Quick Connect Purifier Tube RO Water Filter 5pcs - White,Blue - 0.67" x 1.18" (D*L)

$8.99 at Overstock.com

Lightforce F150CC Venom LED 150mm Filter Clear Combo

$27.65 at Ozautoelectrics

Outland AC-302 Economy Plus Window Air Conditioner Filter, 24" x 15" x 1/4"

$11.26 at Overstock.com

Akasa Fan Filter in Aluminium for 140mm (14cm) Fans

$5.50 at Scan Computers

CHERRY UM Pop Filter Black

$22.06 at Scan Computers

GOLDTONE Activated Carbon Water Filters fits KITCHENAID Coffee Makers and Brewer

$15.59 at Overstock.com

Goldtone (6 Pack) Ion Exchange Resin Water Filters + Holder Combo - Replaces KEURIG 2.0 and BREVILLE BWF100 Filters and Holders

$11.00 at Overstock.com

GoldTone Reusable 4 Cup Basket Style Filter for Mr. Coffee - Replacement Permanent Filter for Mr Coffee - Mesh Bottom (1 Pack)

$7.00 at Overstock.com

Blendin Single Reusable K-cup Coffee Filter for Keurigs K45,K50,K55,K60,K65,B70,B71,B76,B77,B79,K70,K75,K77,K79, 4 Pack

$9.99 at Overstock.com

SilverStone SST-FF143B 140mm Ultra-Fine Nylon Dust Filter 3-Pack

$19.25 at Scan Computers

Premium Replacement Charcoal Water Filters for All Keurig Makers & Machines, Replaces Activated Carbon Filter, 1.0 2.0 - 12 Pack

$8.99 at Overstock.com

JOBY Wavo POD Pop Filter

$8.96 at Scan Computers

GoldTone Activated Charcoal Water Filters Replaces All KEURIG & BREVILLE Coffee Machines, Replacement 1.0 2.0 BWF100 (6 Pack)

$7.00 at Overstock.com

Bambu Lab Activated Carbon Air Filter

$5.91 at Voxel Factory

GoldTone 8-12 Cup Reusable #4 Cone Coffee Filter for CUISINART & (12 Pack) Replacement Charcoal Water Filters

$16.49 at Overstock.com

Lian Li Lancool 207 Front Dust Filter

$5.50 at Scan Computers

Lian Li Lancool 207 Front Dust Filter

$5.50 at Scan Computers

GoldTone Activated Charcoal Water Filters Fits All KEURIG Coffee Machines, Mini, Classic 1.0, 2.0 Replacement Filter (12 Pack)

$9.49 at Overstock.com

GoldTone Reusable Kcup Coffee Filter Fits Keurig 1.0 K Cup - Permanent Reusable Single Serve Replacement Filter (2 Pack)

$9.99 at Overstock.com

GoldTone Reusable 8-12 Cup Basket Style Filter Replacement Fits CUISINART Coffee Machines and Brewers, BPA Free (1 Pack)

$8.19 at Overstock.com

Bambu Activated Carbon Air Filter

$16.16 at RepRap 3D Printer Shop

Black 80mm Aluminium fan filter from Akasa GRM80-AL01-BK

$4.12 at Scan Computers

GoldTone Reusable 8-12 Cup Basket Filter Replacement Fits ALL Black and Decker Coffee Machines and Brewers, BPA Free (1 Pack)

$7.00 at Overstock.com

Marlboro Filter Black

$4.59 at CigaretKretek

Flamez Filter Tips-Booklet

$0.47 at Bongify

Volcano Hybrid - Air Filter

Silicone Bong Filter

$0.98 at Bongify

Frutta Cigarette Filter Tubes (Apple/Mint Flavour)

$7.39 at Bongify