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Description
Doorknob Capacitor CRL 858S - 1000pF 5KV 1nF/5000V NOS for ham radio amplifiersModel: Ameritron AL 80B Type: RF Amplifier Brand: CRL One (1) NOS vintage ceramic high voltage HV capacitor, rare and hi quality, 1000 pF 5KV, ideal for power RF tube amplifiers, made back in 80s in USA, by Centralab CRL, from NOS military stock. Part No. CRL 858S Capacitance 1000pF Voltage 5KV
Model: Ameritron AL-80B
Type: RF Amplifier
Brand: CRL
One (1) NOS vintage ceramic high voltage HV capacitor, rare and hi quality, 1000 pF / 5KV, ideal for power RF tube amplifiers, made back in 80s in USA, by Centralab CRL, from NOS military stock.
Part No. CRL 858S
Capacitance 1000pF
Voltage 5KV
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4.6 ★★★★★
Based on 875 reviews
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Product Reviews
★★★★★ 4
Mattress protector
Size: Twin
Arrived quickly. No factory odor. Was "scrunchy" out of the package, but fit snuggly around the twin mattress and doesn't make any annoying noise. Basic protective mattress topper. Water proof, but breathable, no condensation under the sheets. Disappointed there wasn't more "fluff", but does the job of protecting my mattress from coffee spills and natural body sweat in between weekly washing. I've had it a while, and it seems to be holding up with monthly washing and drying.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Mattress pad
Size: Queen
This mattress pad is comfortable it makes a difference when it on the mattress. It’s makes the bed feel softer instead of hard.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
So far, impressed
Size: California King
Probably not as high a quality as more expensive ones, but fits a California King bed with deep sides perfectly. I am a care-giver for an elderly male and have ordered several because the price is good and I can change them frequently if "accidents" happen. The Mattress Topper Pad does need a large-capacity washer.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Perfect mattress cover, not too thick.
Size: Queen
This mattress cover is exactly what I wanted. I already had a mattress pad, so it was perfect. It’s not thick, it’s just right for what I needed.
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Reviewed in the United States on May 2, 2026
★★★★★ 3
Permanent dents
Size: Queen
After months of using this mattress, I wouldn’t recommend it. It’s got permanent indentations where my husband and I routinely sleep. The mattress doesn’t puff back up so. We rotate it but you an only turn it to put the head down where your feet were and back. And there’s no flipping it over. It’s fairly comfortable, but we have a mini foam “wall” between my husband and I.
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Reviewed in the United States on March 29, 2026